# Glaucoma Outpatient Clinic, Oak Hospital Keywords: - [eye diseases](< /en/search?q=eye diseases >) - [glaucoma](< /en/search?q=glaucoma >) - [Oak Hospital](< /en/search?q=Oak Hospital >) At the Glaucoma Outpatient Clinic in Oak Hospital, we treat glaucoma, which is an illness of the optic nerve. You need a physician’s referral for examination and treatment at our clinic. In our clinic, we perform eye examinations, various laser procedures, and demanding glaucoma surgeries. We also treat patients who have problems with their medication, for example. ## [ Maisa Portal (opens in new window, links to another website) ](https://www.maisa.fi/maisa/Authentication/Login?lang=britishenglish) maisa.fi You can use our online services by signing in to the Maisa Portal. Once your treatment with us begins, you will receive information on the services you can access in Maisa. These include appointment booking and preliminary information forms, for example. Click here to go to Maisa's sign-in page  ## [ 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 Paciuksenkatu 8 Helsinki Building B, 4th floor #### Postal address PL 225 00029 HUS ### Contact center for eye diseases We have a callback service. [ Phone, Contact center for eye diseases: 09 471 73400 ]()telephone hours: Mon–Fri 7:30–16:00 #### Opening hours Mon–Fri 7:30–15:30 Register at entrance A on the 2nd 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 ### [ Mika Harju ](/en/person/mika-harju) Head Physician Head and Neck Center, Division of Eye Diseases ### [ Latvala Terho ](/en/person/latvala-terho) Chief Physician Head and Neck Center, Eye Diseases ### [ Lea Konttila ](/en/person/lea-konttila) Nurse Manager Head and Neck Center, Eye Diseases Updated: 09.01.2026 Print this page