fluorescein
Yellow Eye Dye
Plain-language definition
An orange-yellow dye placed on the eye surface or injected through a vein. It glows under blue light and helps reveal scratches, infections, and blood-vessel leaks.
Where this term comes up
“Fluorescein angiography (FA) is an imaging test where fluorescent dye is injected into a vein, and photographs are taken as the dye travels through the blood vessels in the eye.”
Test · Fluorescein Angiography
“Diagnosed on slit-lamp with fluorescein staining”
Condition · Herpes Simplex Keratitis
“Fluorescein angiography is one of the most useful diagnostic tests for confirming RAM.”
Publication · Macroaneurysm Rupture after Car Accident
- Category
- Test or diagnostic term
- Also written as
- No alternate forms listed.
Diagnostic terms describe tests, measurements, imaging, or exam techniques used to understand eye and neuro-ophthalmic problems.
Related glossary terms
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.