What That Eye Scan Actually Shows: A Guide to Eye Diagnostic Tests
By Dr. Joe Kwarteng Senior Ophthalmologist, St. Thomas Eye Hospital You sit down. A machine hums. A light flashes. The ophthalmologist looks at a screen you can’t quite see and says something like “your RNFL looks fine” or “we need a macular OCT.” Most patients nod along and never ask what actually just happened to their eye. That’s a problem…