What are cataracts? Definition, Symptoms and Causes of Cataracts. Types, Risk factors, Diagnosis, Cataracts surgery, Cataracts surgery recovery, Cataracts surgery cost, Cataracts prevention.

A-Scan

It is done to determine the size of a cataract. This is done usually before surgery. This scan is done by placing the chin of the patient on a chinrest and using a beam of light of different wavelengths to measure the eye. The doctor can select the right implant based on this precise measurement.