👨⚕️ Fluorescein dye is a diagnostic tool used in eye exams. It’s a sterile, orange-tinted solution that highlights corneal defects, scratches, or foreign bodies under blue light.
Key uses:
- Corneal abrasions: Stains damaged areas green
- Foreign bodies: Helps locate objects
- Dry eye assessment: Measures tear breakup time
- Contact lens fitting: Evaluates lens fit
- Leakage detection: Identifies aqueous humor leaks
Procedure:
- Apply anesthetic drops
- Place fluorescein strip in eye
- Examine under cobalt blue light
Precautions:
- Temporary discoloration of contact lenses/skin
- Rare allergic reactions