Ocular Diagnostic Drugs
Fluorescein Dye
-
Available as drops or strips
-
Uses: stain corneal abrasions, applanation tonometry, detecting wound leak, NLD obstruction (DDT), fluorescein angiography.
Rose Bengal Stain
- Stains devitalized epithelium
- Uses: severe dry eye, herpetic keratitis
Local Anesthetics
Topical
-
E.g. propacaine, tetracaine
-
Uses: applanation tonometry, gonioscopy, removal of corneal foreign bodies, removal of sutures, examination of patients who cannot open eyes because of pain
-
Adverse effects: toxic to corneal epithelium, and rarely allergic reaction
Other Ocular Preparations
Lubricants
- Drops, jell or ointments
- Polyvinyl alcohol, methylcellulose or hyaluronic acid
- Preserved or preservative-free
