[Sign in](https://www.onedoc.ch/en/login) - [Search](https://www.onedoc.ch/en/) - [Sign in](https://www.onedoc.ch/en/login) * * * - [Cookies management](javascript:Didomi.preferences.show%28%29) - [Privacy center](https://privacy.onedoc.ch/en/) - [Help center](https://www.onedoc.ch) * * * - [I'm a healthcare professional](https://info.onedoc.ch/en/) - [About us](https://info.onedoc.ch/en/our-mission/) - [Health blog](https://myhealth.onedoc.ch/en/) - [Press](https://info.onedoc.ch/en/media/) - [Careers](https://career.onedoc.ch/en) - [DE](https://www.onedoc.ch/de/keratokonus-hornhautkegel/winterthur) - [FR](https://www.onedoc.ch/fr/keratocone/winterthour) - [IT](https://www.onedoc.ch/it/cheratocono/winterthur) - [EN](https://www.onedoc.ch/en/keratoconus/winterthur) [OneDoc](https://www.onedoc.ch/en/ "Back to home") - [Deutsch](https://www.onedoc.ch/de/keratokonus-hornhautkegel/winterthur) - [Français](https://www.onedoc.ch/fr/keratocone/winterthour) - [Italiano](https://www.onedoc.ch/it/cheratocono/winterthur) - [English](https://www.onedoc.ch/en/keratoconus/winterthur) - [Sign in](https://www.onedoc.ch/en/login) - [I am a practitioner](https://info.onedoc.ch/en/) - [*help\_outline*Help center](https://www.onedoc.ch) #### Help center close ![](https://www.onedoc.ch/assets/images/icons/frequent-questions.svg) ## Frequently asked questions My accountBook appointmentVideo consultationsMobile applicationMy appointments - [Impossible to create my OneDoc account](https://help.onedoc.ch/en/impossible-to-create-my-onedoc-account)  *open\_in\_new* - [Reset my password](https://help.onedoc.ch/en/reset-my-password)  *open\_in\_new* - [Reset my OneDoc account email address](https://help.onedoc.ch/en/reset-my-onedoc-account-email-address)  *open\_in\_new* - [Book an appointment with your doctor/therapist](https://help.onedoc.ch/en/book-an-appointment-with-your-doctor/therapist)  *open\_in\_new* - [Book an appointment by specialty](https://help.onedoc.ch/en/book-an-appointment-by-specialty)  *open\_in\_new* - [Book an appointment for someone else](https://help.onedoc.ch/en/book-an-appointment-for-someone-else)  *open\_in\_new* - [What is a OneDoc video consultation?](https://help.onedoc.ch/en/how-does-the-video-consultation-work)  *open\_in\_new* - [How to book an appointment for a video consultation?](https://help.onedoc.ch/en/search-for-remote-appointments)  *open\_in\_new* - [Download the OneDoc app](https://help.onedoc.ch/en/download-the-onedoc-app)  *open\_in\_new* - [Navigate the OneDoc app](https://help.onedoc.ch/en/navigate-the-onedoc-app)  *open\_in\_new* - [OneDoc app presentation](https://help.onedoc.ch/en/onedoc-app-presentation)  *open\_in\_new* - [Check if an appointment is confirmed](https://help.onedoc.ch/en/check-if-an-appointment-is-confirmed)  *open\_in\_new* - [Cancel an appointment booked online on OneDoc](https://help.onedoc.ch/en/cancel-an-appointment-booked-online-on-onedoc)  *open\_in\_new* - [I didn't receive my appointment confirmation](https://help.onedoc.ch/en/i-didnt-receive-my-appointment-confirmation)  *open\_in\_new* [See all our articles  *open\_in\_new*](https://help.onedoc.ch/en/) close ## Modify your search ![House with a plus sign icon announcing that a consultation can be done on-site](https://www.onedoc.ch/assets/images/icons/on-site.svg) On-site ![A camera with a play sign inside announcing that a consultation can be done remotely by video](https://www.onedoc.ch/assets/images/icons/remote.svg) Remote Search #### Specialties #### Practitioners #### Institutions edit Keratoconus in Winterthur tune Filter by New patients*keyboard\_arrow\_down* - Accepted*check\_circle* Spoken language*keyboard\_arrow\_down* - Albanian*check\_circle* - Croatian*check\_circle* - Czech*check\_circle* - English*check\_circle* - French*check\_circle* - German*check\_circle* - Greek*check\_circle* - Hungarian*check\_circle* - Italian*check\_circle* - Romanian*check\_circle* - Russian*check\_circle* - Serbian*check\_circle* - Slovak*check\_circle* - Spanish*check\_circle* - Tamil*check\_circle* Gender*keyboard\_arrow\_down* - Female*check\_circle* - Male*check\_circle* Network*keyboard\_arrow\_down* - Hirslanden*check\_circle* - mediX*check\_circle* Availability*keyboard\_arrow\_down* - Available today*check\_circle* - Within 3 days*check\_circle* - Within 7 days*check\_circle* - Within 14 days*check\_circle* # __Keratoconus__ in __Winterthur__: book today an appointment online ## 4 results in Winterthur [![Dr. med. Birgit Förster-Euringer, ophthalmologist in Winterthur](https://assets.onedoc.ch/images/users/dae4550b6a4b4d8d15ea306cab494a191bbbf4d8e02c7b30cbbf5d6c98af0e22-small.png "Dr. med. Birgit Förster-Euringer, ophthalmologist in Winterthur")](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyah/dr-med-birgit-forster-euringer) ### [Dr. med. Birgit Förster-Euringer](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyah/dr-med-birgit-forster-euringer) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/winterthur) [Augenzentrum Winterthur AG](https://www.onedoc.ch/en/medical-practice/winterthur/ebdb6/augenzentrum-winterthur-ag) Lagerhausstrasse 10 8400 Winterthur ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyah/dr-med-birgit-forster-euringer) *chevron\_left* Tue 31 Mar *chevron\_right* View more appointments *error\_outline* An error occurred while loading time slots   [Retry](https://www.onedoc.ch) [![Dr. med. Marios Tsangarides, ophthalmologist in Winterthur](https://assets.onedoc.ch/images/users/c34878ae5d335e12050d7921b015bfa130efd5f7749d28454b90bad8172dae7e-small.jpg "Dr. med. Marios Tsangarides, ophthalmologist in Winterthur")](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyje/dr-med-marios-tsangarides) ### [Dr. med. Marios Tsangarides](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyje/dr-med-marios-tsangarides) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/winterthur) [Augenpraxis Untertor](https://www.onedoc.ch/en/medical-practice/winterthur/ew5f/augenpraxis-untertor) Untertor 4 8400 Winterthur ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyje/dr-med-marios-tsangarides) *chevron\_left* Tue 31 Mar *chevron\_right* View more appointments *error\_outline* An error occurred while loading time slots   [Retry](https://www.onedoc.ch) [![Dr. med. Hiltrud Adam, ophthalmologist in Winterthur](https://assets.onedoc.ch/images/users/e3e2136e92c923c210424b506e691eee2ecf3e8f4904fb76c92018b45831081c-small.jpg "Dr. med. Hiltrud Adam, ophthalmologist in Winterthur")](https://www.onedoc.ch/en/ophthalmologist/winterthur/pbk33/dr-med-hiltrud-adam) ### [Dr. med. Hiltrud Adam](https://www.onedoc.ch/en/ophthalmologist/winterthur/pbk33/dr-med-hiltrud-adam) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/winterthur) [Augenpraxis Untertor](https://www.onedoc.ch/en/medical-practice/winterthur/ew5f/augenpraxis-untertor) Untertor 4 8400 Winterthur ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/winterthur/pbk33/dr-med-hiltrud-adam) *chevron\_left* Tue 31 Mar *chevron\_right* View more appointments *error\_outline* An error occurred while loading time slots   [Retry](https://www.onedoc.ch) [![Dr. med. Christine Dankov, ophthalmologist in Winterthur](https://assets.onedoc.ch/images/users/f4f6b9d8273b4cc6280f4e8a1a6f2918e352e09faf13e577313f3c66a3ac3eaf-small.jpg "Dr. med. Christine Dankov, ophthalmologist in Winterthur")](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyjf/dr-med-christine-dankov) ### [Dr. med. Christine Dankov](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyjf/dr-med-christine-dankov) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/winterthur) [Augenpraxis Untertor](https://www.onedoc.ch/en/medical-practice/winterthur/ew5f/augenpraxis-untertor) Untertor 4 8400 Winterthur ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/winterthur/pcyjf/dr-med-christine-dankov) *chevron\_left* Tue 31 Mar *chevron\_right* View more appointments *error\_outline* An error occurred while loading time slots   [Retry](https://www.onedoc.ch) ## __Keratoconus__ near __Winterthur__: other specialists can be booked online [![Dr. med. Panagiotis Kouros, ophthalmologist in Bassersdorf](https://assets.onedoc.ch/images/users/f7c425e160ae8e50ebecf2ddb68f8f437d37124260a1325f73c2ce85eb5edffb-small.png "Dr. med. Panagiotis Kouros, ophthalmologist in Bassersdorf")](https://www.onedoc.ch/en/ophthalmologist/bassersdorf/pcmij/dr-med-panagiotis-kouros) ### [Dr. med. Panagiotis Kouros](https://www.onedoc.ch/en/ophthalmologist/bassersdorf/pcmij/dr-med-panagiotis-kouros) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/bassersdorf) [Augenarztpraxis Bassersdorf](https://www.onedoc.ch/en/medical-practice/bassersdorf/e7w7/augenarztpraxis-bassersdorf) Klotenerstrasse 20 8303 Bassersdorf ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/bassersdorf/pcmij/dr-med-panagiotis-kouros) [![Dr. med. Daniel Spanjic - Limmatquai, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/f31074f2aefac0f96ec3ba887af3498b11cbd2e2ba53a255f20b60fd0d677a4c-small.jpg "Dr. med. Daniel Spanjic - Limmatquai, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh7/dr-med-daniel-spanjic-limmatquai) ### [Dr. med. Daniel Spanjic - Limmatquai](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh7/dr-med-daniel-spanjic-limmatquai) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Limmatquai](https://www.onedoc.ch/en/medical-center/zurich/e1s8/augenarztzentrum-standort-limmatquai) Limmatquai 94 8001 Zürich ![Dr. med. Daniel Spanjic - Limmatquai is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Daniel Spanjic - Limmatquai is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh7/dr-med-daniel-spanjic-limmatquai) [![FIRST SIGHT Augenpraxis, medical center in Zürich](https://assets.onedoc.ch/images/entities/cff0f6e04f890dacee9641c7eb7e841b3b45a6da47cf10d547baedf73ec230a2-small.png "FIRST SIGHT Augenpraxis, medical center in Zürich")](https://www.onedoc.ch/en/medical-center/zurich/ebc2k/first-sight-augenpraxis) ### [FIRST SIGHT Augenpraxis](https://www.onedoc.ch/en/medical-center/zurich/ebc2k/first-sight-augenpraxis) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) Medical center Bahnhofplatz 9 8001 Zürich ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/medical-center/zurich/ebc2k/first-sight-augenpraxis) [![Dr. med. Lea Kochendörfer - Limmatquai, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/eb9c57259b9e0509faaa92d6658c7b9a54e47690126fe51c711d002a95cef27d-small.png "Dr. med. Lea Kochendörfer - Limmatquai, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb0/dr-med-lea-kochendorfer-limmatquai) ### [Dr. med. Lea Kochendörfer - Limmatquai](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb0/dr-med-lea-kochendorfer-limmatquai) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Limmatquai](https://www.onedoc.ch/en/medical-center/zurich/e1s8/augenarztzentrum-standort-limmatquai) Limmatquai 94 8001 Zürich ![Dr. med. Lea Kochendörfer - Limmatquai is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Lea Kochendörfer - Limmatquai is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb0/dr-med-lea-kochendorfer-limmatquai) [![Dr. med. Matthias Brunner, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/7ce4a8bf86471c1c901162387bcb3a28fb65736f202599596f49dcc0311bc3b4-small.png "Dr. med. Matthias Brunner, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pczq6/dr-med-matthias-brunner) ### [Dr. med. Matthias Brunner](https://www.onedoc.ch/en/ophthalmologist/zurich/pczq6/dr-med-matthias-brunner) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [tazz Talacker Augen Zentrum Zürich](https://www.onedoc.ch/en/group-practice/zurich/esdw/tazz-talacker-augen-zentrum-zurich) Pelikanstrasse 18 8001 Zürich ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pczq6/dr-med-matthias-brunner) [![Dr. med. Tina Friedl, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/f37512666c4d5fc0bce9d72c3e752bfb71b6afd3ba6b0e117ee047dd40027605-small.jpg "Dr. med. Tina Friedl, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pc034/dr-med-tina-friedl) ### [Dr. med. Tina Friedl](https://www.onedoc.ch/en/ophthalmologist/zurich/pc034/dr-med-tina-friedl) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Sehklinik Zürich](https://www.onedoc.ch/en/clinic/zurich/ebctm/sehklinik-zurich) Hallenstrasse 8 8008 Zürich ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pc034/dr-med-tina-friedl) [![Dr. med. (HU) Lajos Tóth, ophthalmologist in Zollikon](https://assets.onedoc.ch/images/users/d893a046b49b905a00e4ea9fac15179a9d9b749edd9b2362ace689eb737db1b1-small.jpg "Dr. med. (HU) Lajos Tóth, ophthalmologist in Zollikon")](https://www.onedoc.ch/en/ophthalmologist/zollikon/pc1w1/dr-med-hu-lajos-toth) ### [Dr. med. (HU) Lajos Tóth](https://www.onedoc.ch/en/ophthalmologist/zollikon/pc1w1/dr-med-hu-lajos-toth) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zollikon) [Augenarzt Zollikon](https://www.onedoc.ch/en/medical-practice/zollikon/eba4o/augenarzt-zollikon) Seestrasse 45 8702 Zollikon ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zollikon/pc1w1/dr-med-hu-lajos-toth) [![Dr. med. (HU) Péter Mokán, ophthalmologist in Zollikon](https://assets.onedoc.ch/images/users/7ad5c10ec7d595dd26d4ea78e0f138679776c83035777ed2c7d0473b1fae39c1-small.png "Dr. med. (HU) Péter Mokán, ophthalmologist in Zollikon")](https://www.onedoc.ch/en/ophthalmologist/zollikon/pcs8m/dr-med-hu-peter-mokan) ### [Dr. med. (HU) Péter Mokán](https://www.onedoc.ch/en/ophthalmologist/zollikon/pcs8m/dr-med-hu-peter-mokan) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zollikon) [Augenarzt Zollikon](https://www.onedoc.ch/en/medical-practice/zollikon/eba4o/augenarzt-zollikon) Seestrasse 45 8702 Zollikon ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zollikon/pcs8m/dr-med-hu-peter-mokan) [![Dr. med. Monika Verbeek - Seefeld, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/200a2e7c5b2d9a7cc8de1dcb375020a89a9cfcaf40532079f48bce90f517c95d-small.jpg "Dr. med. Monika Verbeek - Seefeld, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vs/dr-med-monika-verbeek-seefeld) ### [Dr. med. Monika Verbeek - Seefeld](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vs/dr-med-monika-verbeek-seefeld) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Seefeld (Hirslanden)](https://www.onedoc.ch/en/medical-center/zurich/e1s9/augenarztzentrum-standort-seefeld-hirslanden) Seefeldstrasse 214 8008 Zürich ![Dr. med. Monika Verbeek - Seefeld is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Monika Verbeek - Seefeld is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vs/dr-med-monika-verbeek-seefeld) [![Dr. med. Tanja De Nardo - Limmatquai, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/516ef9e3bdbf26e56ae1d90474a36f489e25fcb8aa8455f9a39c1367c1094889-small.jpg "Dr. med. Tanja De Nardo - Limmatquai, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pczve/dr-med-tanja-de-nardo-limmatquai) ### [Dr. med. Tanja De Nardo - Limmatquai](https://www.onedoc.ch/en/ophthalmologist/zurich/pczve/dr-med-tanja-de-nardo-limmatquai) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Limmatquai](https://www.onedoc.ch/en/medical-center/zurich/e1s8/augenarztzentrum-standort-limmatquai) Limmatquai 94 8001 Zürich ![Dr. med. Tanja De Nardo - Limmatquai is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Tanja De Nardo - Limmatquai is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pczve/dr-med-tanja-de-nardo-limmatquai) [![Dr. med. Jelka Hess, ophthalmologist in Regensdorf](https://assets.onedoc.ch/images/users/bb9704f9dc3974a1214f89fb60669d9102ff1640975b14115bf869509e07cd7d-small.png "Dr. med. Jelka Hess, ophthalmologist in Regensdorf")](https://www.onedoc.ch/en/ophthalmologist/regensdorf/pcwoa/dr-med-jelka-hess) ### [Dr. med. Jelka Hess](https://www.onedoc.ch/en/ophthalmologist/regensdorf/pcwoa/dr-med-jelka-hess) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/regensdorf) Augencenter Hess Althardstrasse 52C 8105 Regensdorf ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/regensdorf/pcwoa/dr-med-jelka-hess) [![Dr. med. Monika Verbeek - Limmatquai, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/2f4c7be004389dcb5d9457cc036102b9513f6e5e1b754959b7de76a448837e4d-small.jpg "Dr. med. Monika Verbeek - Limmatquai, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vr/dr-med-monika-verbeek-limmatquai) ### [Dr. med. Monika Verbeek - Limmatquai](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vr/dr-med-monika-verbeek-limmatquai) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Limmatquai](https://www.onedoc.ch/en/medical-center/zurich/e1s8/augenarztzentrum-standort-limmatquai) Limmatquai 94 8001 Zürich ![Dr. med. Monika Verbeek - Limmatquai is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Monika Verbeek - Limmatquai is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pb6vr/dr-med-monika-verbeek-limmatquai) [![Dr. med. Kathi David - Limmatquai, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/689e72fd6c896da3a52625a6352de4951283bc3a52eff8bebe9c04d3f2029953-small.jpg "Dr. med. Kathi David - Limmatquai, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pcm2t/dr-med-kathi-david-limmatquai) ### [Dr. med. Kathi David - Limmatquai](https://www.onedoc.ch/en/ophthalmologist/zurich/pcm2t/dr-med-kathi-david-limmatquai) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Limmatquai](https://www.onedoc.ch/en/medical-center/zurich/e1s8/augenarztzentrum-standort-limmatquai) Limmatquai 94 8001 Zürich ![Dr. med. Kathi David - Limmatquai is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Kathi David - Limmatquai is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pcm2t/dr-med-kathi-david-limmatquai) [![Dr. med. Tanja De Nardo - Seefeld, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/1bd0bf1397a21540e89557b37f81d801f73c6b7f6148fd93c7be3cc660c63b43-small.jpg "Dr. med. Tanja De Nardo - Seefeld, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pczvf/dr-med-tanja-de-nardo-seefeld) ### [Dr. med. Tanja De Nardo - Seefeld](https://www.onedoc.ch/en/ophthalmologist/zurich/pczvf/dr-med-tanja-de-nardo-seefeld) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Seefeld (Hirslanden)](https://www.onedoc.ch/en/medical-center/zurich/e1s9/augenarztzentrum-standort-seefeld-hirslanden) Seefeldstrasse 214 8008 Zürich ![Dr. med. Tanja De Nardo - Seefeld is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Tanja De Nardo - Seefeld is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pczvf/dr-med-tanja-de-nardo-seefeld) [![Dr. med. Lea Kochendörfer - Seefeld, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/65aff3a7d36a9310a7dfe60c0751675bb65f5a91bbee3bd7e0d2cc88ca63e385-small.png "Dr. med. Lea Kochendörfer - Seefeld, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb1/dr-med-lea-kochendorfer-seefeld) ### [Dr. med. Lea Kochendörfer - Seefeld](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb1/dr-med-lea-kochendorfer-seefeld) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Seefeld (Hirslanden)](https://www.onedoc.ch/en/medical-center/zurich/e1s9/augenarztzentrum-standort-seefeld-hirslanden) Seefeldstrasse 214 8008 Zürich ![Dr. med. Lea Kochendörfer - Seefeld is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Lea Kochendörfer - Seefeld is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmb1/dr-med-lea-kochendorfer-seefeld) [![Dr. med. Daniel Spanjic - Seefeld, ophthalmologist in Zürich](https://assets.onedoc.ch/images/users/bdc63f0b1733937a522cc4b7bf783e021aa0bebbcd72f8e5e69b9da9a35915fe-small.jpg "Dr. med. Daniel Spanjic - Seefeld, ophthalmologist in Zürich")](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh8/dr-med-daniel-spanjic-seefeld) ### [Dr. med. Daniel Spanjic - Seefeld](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh8/dr-med-daniel-spanjic-seefeld) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ophthalmologist](https://www.onedoc.ch/en/ophthalmologist/zurich) [Augenarztzentrum Standort Seefeld (Hirslanden)](https://www.onedoc.ch/en/medical-center/zurich/e1s9/augenarztzentrum-standort-seefeld-hirslanden) Seefeldstrasse 214 8008 Zürich ![Dr. med. Daniel Spanjic - Seefeld is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png)![Dr. med. Daniel Spanjic - Seefeld is affiliated with mediX](https://assets.onedoc.ch/images/networks/logos/4f3be0e73805cd850f7f0f1bddc7c1871c91eddabe35e40a16c0bfdcf16c9e49-small.png) ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ophthalmologist/zurich/pcmh8/dr-med-daniel-spanjic-seefeld) 1[2](https://www.onedoc.ch/en/keratoconus/winterthur?page=2) 1. [OneDoc](https://www.onedoc.ch/en/)/ 2. [Keratoconus](https://www.onedoc.ch/en/keratoconus)/ 3. [Canton of Zurich](https://www.onedoc.ch/en/keratoconus/canton-of-zurich)/ 4. Winterthur ### Download the OneDoc app Book an appointment online with a doctor, dentist, or therapist near you in Switzerland. The OneDoc app lets you manage all your medical appointments from your smartphone, anytime and anywhere. ![QR code that redirects users to the Apple Store or Google Play Store to download the OneDoc patient mobile app](https://www.onedoc.ch/assets/images/download-app-qr.jpeg) Scan the QR code to download the app [![Download our app on the App Store!](https://www.onedoc.ch/assets/images/app-store-badge-en.svg)](https://apps.apple.com/ch/app/onedoc/id1592376413?l=fr)[![Download our app on the Google Play Store!](https://www.onedoc.ch/assets/images/google-play-badge-en.png)](https://play.google.com/store/apps/details?id=ch.onedoc.patient&hl=fr-CH) *keyboard\_arrow\_right* ## Narrow by specialty [Ophthalmologist in Winterthur](https://www.onedoc.ch/en/ophthalmologist/winterthur)[Optician in Winterthur](https://www.onedoc.ch/en/optician/winterthur)[Optometrist in Winterthur](https://www.onedoc.ch/en/optometrist/winterthur)[Eye surgeon in Winterthur](https://www.onedoc.ch/en/eye-surgeon/winterthur)[Orthoptist in Winterthur](https://www.onedoc.ch/en/orthoptist/winterthur) *keyboard\_arrow\_right* ## Related searches [Keratoconus in Zürich](https://www.onedoc.ch/en/keratoconus/zurich)[Keratoconus in Zollikon](https://www.onedoc.ch/en/keratoconus/zollikon)[Keratoconus in Bassersdorf](https://www.onedoc.ch/en/keratoconus/bassersdorf)[Keratoconus in Dietikon](https://www.onedoc.ch/en/keratoconus/dietikon)[Keratoconus in Kilchberg](https://www.onedoc.ch/en/keratoconus/kilchberg)[Keratoconus in Muri](https://www.onedoc.ch/en/keratoconus/muri)[Keratoconus in Regensdorf](https://www.onedoc.ch/en/keratoconus/regensdorf)[Keratoconus in Wetzikon](https://www.onedoc.ch/en/keratoconus/wetzikon)[Keratoconus in Meilen](https://www.onedoc.ch/en/keratoconus/meilen)[Keratoconus in Risch-Rotkreuz](https://www.onedoc.ch/en/keratoconus/risch-rotkreuz) *keyboard\_arrow\_right* ## Popular searches [Eye Examination | Eye check in Winterthur](https://www.onedoc.ch/en/eye-examination-eye-check/winterthur)[Dry eyes in Winterthur](https://www.onedoc.ch/en/dry-eyes/winterthur)[Glaucoma in Winterthur](https://www.onedoc.ch/en/glaucoma/winterthur)[Age-related macular degeneration (AMD) in Winterthur](https://www.onedoc.ch/en/age-related-macular-degeneration-amd/winterthur)[Cataract in Winterthur](https://www.onedoc.ch/en/cataract/winterthur)[Diabetes screening in Winterthur](https://www.onedoc.ch/en/diabetes-screening/winterthur)[Flu vaccination in Winterthur](https://www.onedoc.ch/en/flu-vaccination/winterthur)[Tick-borne encephalitis vaccination (TBE) in Winterthur](https://www.onedoc.ch/en/tick-borne-encephalitis-vaccination-tbe/winterthur)[Annual check up | preventive medical checkup in Winterthur](https://www.onedoc.ch/en/annual-check-up-preventive-medical-checkup/winterthur)[Cardiovascular Prevention | CardioCheck | CardioTest in Winterthur](https://www.onedoc.ch/en/cardiovascular-prevention-cardiocheck-cardiotest/winterthur)[Glasses in Winterthur](https://www.onedoc.ch/en/glasses/winterthur)[Skin check in Winterthur](https://www.onedoc.ch/en/skin-check/winterthur)[Eye test for driving licence in Winterthur](https://www.onedoc.ch/en/eye-test-for-driving-licence/winterthur)[Travel advice in Winterthur](https://www.onedoc.ch/en/travel-advice/winterthur)[Urinary tract infection (UTI) in Winterthur](https://www.onedoc.ch/en/urinary-tract-infection-uti/winterthur)[Myopia | Nearsightedness in Winterthur](https://www.onedoc.ch/en/myopia-nearsightedness/winterthur)[Allergy | AllergoTest | Allergy check in Winterthur](https://www.onedoc.ch/en/allergy-allergotest-allergy-check/winterthur)[Mole check in Winterthur](https://www.onedoc.ch/en/mole-check/winterthur)[Funduscopy | Ophthalmoscopy in Winterthur](https://www.onedoc.ch/en/funduscopy-ophthalmoscopy/winterthur)[Skin cancer in Winterthur](https://www.onedoc.ch/en/skin-cancer/winterthur)[Vaccination advice in Winterthur](https://www.onedoc.ch/en/vaccination-advice/winterthur) *keyboard\_arrow\_right* ## Find practitioners [Practitioners directory](https://www.onedoc.ch/en/directory) [A](https://www.onedoc.ch/en/directory/A) [B](https://www.onedoc.ch/en/directory/B) [C](https://www.onedoc.ch/en/directory/C) [D](https://www.onedoc.ch/en/directory/D) [E](https://www.onedoc.ch/en/directory/E) [F](https://www.onedoc.ch/en/directory/F) [G](https://www.onedoc.ch/en/directory/G) [H](https://www.onedoc.ch/en/directory/H) [I](https://www.onedoc.ch/en/directory/I) [J](https://www.onedoc.ch/en/directory/J) [K](https://www.onedoc.ch/en/directory/K) [L](https://www.onedoc.ch/en/directory/L) [M](https://www.onedoc.ch/en/directory/M) [N](https://www.onedoc.ch/en/directory/N) [O](https://www.onedoc.ch/en/directory/O) [P](https://www.onedoc.ch/en/directory/P) [Q](https://www.onedoc.ch/en/directory/Q) [R](https://www.onedoc.ch/en/directory/R) [S](https://www.onedoc.ch/en/directory/S) [T](https://www.onedoc.ch/en/directory/T) [U](https://www.onedoc.ch/en/directory/U) [V](https://www.onedoc.ch/en/directory/V) [W](https://www.onedoc.ch/en/directory/W) [X](https://www.onedoc.ch/en/directory/X) [Y](https://www.onedoc.ch/en/directory/Y) [Z](https://www.onedoc.ch/en/directory/Z) ## OneDoc [I'm a healthcare professional](https://info.onedoc.ch/en/) [About us](https://info.onedoc.ch/en/our-mission/) [Press](https://info.onedoc.ch/en/media/) [Careers](https://career.onedoc.ch/en) [Health blog](https://myhealth.onedoc.ch/en/) [Privacy center](https://privacy.onedoc.ch/en/) [Cookies management](javascript:Didomi.preferences.show%28%29) [Help center](https://help.onedoc.ch/en/) ## Languages [Deutsch](https://www.onedoc.ch/de/keratokonus-hornhautkegel/winterthur) [Français](https://www.onedoc.ch/fr/keratocone/winterthour) [Italiano](https://www.onedoc.ch/it/cheratocono/winterthur) [English](https://www.onedoc.ch/en/keratoconus/winterthur) ## Narrow by specialty [Ophthalmologist in Winterthur](https://www.onedoc.ch/en/ophthalmologist/winterthur) [Optician in Winterthur](https://www.onedoc.ch/en/optician/winterthur) [Optometrist in Winterthur](https://www.onedoc.ch/en/optometrist/winterthur) [Eye surgeon in Winterthur](https://www.onedoc.ch/en/eye-surgeon/winterthur) [Orthoptist in Winterthur](https://www.onedoc.ch/en/orthoptist/winterthur) ## Related searches [Keratoconus in Zürich](https://www.onedoc.ch/en/keratoconus/zurich) [Keratoconus in Zollikon](https://www.onedoc.ch/en/keratoconus/zollikon) [Keratoconus in Bassersdorf](https://www.onedoc.ch/en/keratoconus/bassersdorf) [Keratoconus in Dietikon](https://www.onedoc.ch/en/keratoconus/dietikon) [Keratoconus in Kilchberg](https://www.onedoc.ch/en/keratoconus/kilchberg) [Keratoconus in Muri](https://www.onedoc.ch/en/keratoconus/muri) [Keratoconus in Regensdorf](https://www.onedoc.ch/en/keratoconus/regensdorf) [Keratoconus in Wetzikon](https://www.onedoc.ch/en/keratoconus/wetzikon) [Keratoconus in Meilen](https://www.onedoc.ch/en/keratoconus/meilen) [Keratoconus in Risch-Rotkreuz](https://www.onedoc.ch/en/keratoconus/risch-rotkreuz) ## Popular searches [Eye Examination | Eye check in Winterthur](https://www.onedoc.ch/en/eye-examination-eye-check/winterthur) [Dry eyes in Winterthur](https://www.onedoc.ch/en/dry-eyes/winterthur) [Glaucoma in Winterthur](https://www.onedoc.ch/en/glaucoma/winterthur) [Age-related macular degeneration (AMD) in Winterthur](https://www.onedoc.ch/en/age-related-macular-degeneration-amd/winterthur) [Cataract in Winterthur](https://www.onedoc.ch/en/cataract/winterthur) [Diabetes screening in Winterthur](https://www.onedoc.ch/en/diabetes-screening/winterthur) [Flu vaccination in Winterthur](https://www.onedoc.ch/en/flu-vaccination/winterthur) [Tick-borne encephalitis vaccination (TBE) in Winterthur](https://www.onedoc.ch/en/tick-borne-encephalitis-vaccination-tbe/winterthur) [Annual check up | preventive medical checkup in Winterthur](https://www.onedoc.ch/en/annual-check-up-preventive-medical-checkup/winterthur) [Cardiovascular Prevention | CardioCheck | CardioTest in Winterthur](https://www.onedoc.ch/en/cardiovascular-prevention-cardiocheck-cardiotest/winterthur) [Glasses in Winterthur](https://www.onedoc.ch/en/glasses/winterthur) [Skin check in Winterthur](https://www.onedoc.ch/en/skin-check/winterthur) [Eye test for driving licence in Winterthur](https://www.onedoc.ch/en/eye-test-for-driving-licence/winterthur) [Travel advice in Winterthur](https://www.onedoc.ch/en/travel-advice/winterthur) [Urinary tract infection (UTI) in Winterthur](https://www.onedoc.ch/en/urinary-tract-infection-uti/winterthur) [Myopia | Nearsightedness in Winterthur](https://www.onedoc.ch/en/myopia-nearsightedness/winterthur) [Allergy | AllergoTest | Allergy check in Winterthur](https://www.onedoc.ch/en/allergy-allergotest-allergy-check/winterthur) [Mole check in Winterthur](https://www.onedoc.ch/en/mole-check/winterthur) [Funduscopy | Ophthalmoscopy in Winterthur](https://www.onedoc.ch/en/funduscopy-ophthalmoscopy/winterthur) [Skin cancer in Winterthur](https://www.onedoc.ch/en/skin-cancer/winterthur) [Vaccination advice in Winterthur](https://www.onedoc.ch/en/vaccination-advice/winterthur) [![Facebook icon](https://www.onedoc.ch/assets/images/icons/facebook.svg)](https://facebook.com/onedoc.ch/)[![LinkedIn icon](https://www.onedoc.ch/assets/images/icons/linkedin.svg)](https://linkedin.com/company/onedoc.ch/)[![Instagram icon](https://www.onedoc.ch/assets/images/icons/instagram.svg)](https://www.instagram.com/onedoc.ch/)[![X icon](https://www.onedoc.ch/assets/images/icons/x.svg)](https://twitter.com/OneDoc_ch)[![YouTube icon](https://www.onedoc.ch/assets/images/icons/youtube.svg)](https://www.youtube.com/channel/UCWnlE63em_m8ZioBA5n8Z6w) Find practitioners [Practitioners directory](https://www.onedoc.ch/en/directory)[A](https://www.onedoc.ch/en/directory/a)[B](https://www.onedoc.ch/en/directory/b)[C](https://www.onedoc.ch/en/directory/c)[D](https://www.onedoc.ch/en/directory/d)[E](https://www.onedoc.ch/en/directory/e)[F](https://www.onedoc.ch/en/directory/f)[G](https://www.onedoc.ch/en/directory/g)[H](https://www.onedoc.ch/en/directory/h)[I](https://www.onedoc.ch/en/directory/i)[J](https://www.onedoc.ch/en/directory/j)[K](https://www.onedoc.ch/en/directory/k)[L](https://www.onedoc.ch/en/directory/l)[M](https://www.onedoc.ch/en/directory/m)[N](https://www.onedoc.ch/en/directory/n)[O](https://www.onedoc.ch/en/directory/o)[P](https://www.onedoc.ch/en/directory/p)[Q](https://www.onedoc.ch/en/directory/q)[R](https://www.onedoc.ch/en/directory/r)[S](https://www.onedoc.ch/en/directory/s)[T](https://www.onedoc.ch/en/directory/t)[U](https://www.onedoc.ch/en/directory/u)[V](https://www.onedoc.ch/en/directory/v)[W](https://www.onedoc.ch/en/directory/w)[X](https://www.onedoc.ch/en/directory/x)[Y](https://www.onedoc.ch/en/directory/y)[Z](https://www.onedoc.ch/en/directory/z) [![OneDoc is a Swiss made software certified company](https://www.onedoc.ch/assets/images/swiss-made-software-white.png "OneDoc is a Swiss made software certified company")](https://www.swissmadesoftware.org) ![OneDoc is ISO 27001 certified](https://www.onedoc.ch/assets/images/certifications/27001-en.png "OneDoc is ISO 27001 certified")![OneDoc is DPCO certified](https://www.onedoc.ch/assets/images/certifications/vdsz-en.png "OneDoc is DPCO certified") Copyright © 2026 OneDoc SA An unexpected error occurred \[0] An unexpected error occurred \[0] An unexpected error occurred \[0] An unexpected error occurred \[0]