Question

which of the following pathological conditions is due to abnormal curvature of the cornea?
a astigmatism
b cataract
c glaucoma
d strabismus

Explanation:

• Astigmatism occurs when the cornea (or lens) has an irregular curvature, causing light to focus unevenly on the retina, resulting in blurred vision.
• A cataract is the clouding of the eye's lens.
• Glaucoma is a group of eye conditions that damage the optic nerve, often due to increased intraocular pressure.
• Strabismus is a misalignment of the eyes.

Answer:

A. astigmatism