Question

which of the following diagnostic procedures is used to identify corneal abrasions or ulcers?
a tonometry
b ophthalmoscopy
c fluorescein staining
d keratometry

Explanation:

• Tonometry measures intra - ocular pressure.
• Ophthalmoscopy examines the interior of the eye (retina, optic disc etc.).
• Fluorescein staining is used to detect corneal abrasions or ulcers as the dye accumulates in the damaged areas of the cornea.
• Keratometry measures the curvature of the cornea.

Answer:

C. fluorescein staining