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Cataract Surgery & Refractive Lens Surgery
A Question and Answer Book with Uday Devgan, MD, FACS

Table of Contents

Why do I need this man-made lens implanted?

The natural human lens, which started out crystal clear in your youth, has now become cloudy. This lens has a certain power to it, the same way that a camera lens has a certain power. When the cataract (the cloudy lens) is removed, it’s like taking the lens out of the camera: you won’t get a good picture until you replace the lens. The lenses are typically made of acrylic (plastic), silicone, or a similar compound and they have been implanted in eyes for more than 50 years. They’re designed to last for your lifetime and about 3 million lens implants are done in the US per year. This lens is implanted in the same position as the human cataractous lens which was removed. It is behind the iris (the blue, green, or brown part of the eye) and it is not visible to other people looking at your eyes. You won’t feel this lens or even realize that it’s implanted in the eye. This lens is NOT like a contact lens. This lens is permanent and is implanted inside your eye. You will not feel it and it will not come out of the eye.