A cataract is loss of clarity or increase in opacity of the natural lens of the eye causing vision problems.

Causes

• Old age
• Ultraviolet light
• Radiation
• Trauma or injury
• Genital defects
• Heredity
• Certain medications
• Certain disease like diabetes, hypertension etc.

Symptoms

• Blurred vision
• Frequent changes in eye glass prescription
• Light sensitivity
• Difficulty in distinguishing colors
• Poor night vision
• Double vision
• Gradual whitening of the pupils

Treatment
A mild cataract can be managed with a change of glasses but ultimately, surgery is the only way to cure it.