Guwahati, July 30 -- Cataract surgery removes the cloudy natural lens and replaces it with a clear artificial one. The lens selected can affect distance, near and intermediate vision, as well as the need for glasses. Monofocal, multifocal and toric lenses serve different purposes.

Knowing how they differ can help you discuss the options with your eye specialist and choose one based on your eye health, daily routine and visual needs.

The replacement lens remains inside the eye after treatment. Doctors consider the condition of the cornea and retina, astigmatism, work habits, reading needs, night driving and expectations about spectacles.

The removal method, such as phaco surgery or laser cataract surgery, is different from the type of I...