# Eye Diseases Surgery Unit Kaarna, Oak Hospital Keywords: - [Oak Hospital](< /en/search?q=Oak Hospital >) - [eye diseases](< /en/search?q=eye diseases >) In Surgery Unit Kaarna in Oak Hospital, we perform eye surgery for patients of all ages. ## [ Maisa Portal (opens in new window, links to another website) ](https://www.maisa.fi/maisa/Authentication/Login?lang=britishenglish) maisa.fi Maisa is a digital patient service where you can manage your health matters online. When your care begins, we’ll tell you which services are available to you. In Maisa, you can view your records, book appointments and message your care unit. Click to Maisa  ## [ Patient Guide ](/en/patient/patient-guide) The Patient Guide site answers the most common questions patients may have before, during, and after treatment. See Patient Guide site here  ## Contact information and opening hours #### Visiting address Oak Hospital Zaidankatu 2 Helsinki #### Postal address P.O. Box 225 00029 HUS ### Telephone helpline for eye diseases We have a callback service. [ Phone, Telephone helpline for eye diseases: 09 471 73400 ]()telephone hours: Mon–Fri 7:30–16:00 Register at entrance C on the 1st floor. ## Find us here ### [ Oak Hospital ](/en/patient/hospitals-and-other-units/oak-hospital)  ## Unit's services ### [ Eye diseases ](/en/patient/treatments-and-examinations/eye-diseases)  ## Specialists ### [ Risto Nieminen ](/en/person/risto-nieminen) Deputy Chief Physician Head and Neck Center, Eye Diseases ### [ Anja Liukko ](/en/person/anja-liukko) Nurse Manager Head and Neck Center, Eye Diseases Updated: 11.09.2025 Print this page