Question

write a short note on Astigmatism​

Answer 1

Answer:

Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina. This results in distorted or blurred vision at any distance. Other symptoms can include eyestrain, headaches, and trouble driving at night. ... Refractive surgery permanently changes the shape of the eye.

Answer 2

Answer:

Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina.this result in distorted or blurred vision at any distance.other symptoms can include eyestrain, headaches,and trouble driving at night .... Refractive surgery permanently changes the shape of the eye.

Symptoms:distorted or blurred vision at all distance , eyestrain, headaches

Treatment: glasses, contact lenses,surgery

Diagnostic method:eye exam.

Explanation:

I hope it helps you