What to know
Sudden vision loss, severe eye pain or injury needs urgent medical attention.
This page provides broad educational context only. It cannot confirm a diagnosis or tell you which medicine, test or treatment is right for you. Do not delay professional care based on information here.
Prepare for a medical conversation
Note when the concern began, what has changed, any relevant medical history and medicines currently being taken. Bring previous reports if available and ask the clinician what follow-up is needed.
Urgent or severe symptoms?
If symptoms are sudden, severe or life-threatening, seek emergency help immediately or go to the nearest emergency department. This website is not an emergency service.