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How is a lens implant done?

Published in Eye Surgery 3 mins read

A lens implant, also known as an intraocular lens (IOL) implant, involves replacing your eye's natural lens with an artificial one. This process is done primarily to treat cataracts, a condition where the natural lens becomes cloudy, impairing vision. Here's a detailed breakdown of the procedure:

Steps of a Lens Implant Procedure

The procedure can be broadly divided into the following stages:

  1. Preparation:

    • The eye is numbed using anesthetic eye drops to ensure a pain-free experience.
  2. Lens Removal (Phacoemulsification):

    • A tiny incision is made at the edge of the cornea, the clear front surface of your eye.
    • Phacoemulsification is performed, a process where the natural lens is broken up into small fragments using ultrasound.
    • These fragments are then gently suctioned (rinsed) out of the eye.
  3. Intraocular Lens (IOL) Insertion:

    • The chosen IOL, a clear artificial lens, is folded so it can be inserted through the same tiny incision.
    • The IOL is placed in the same clear capsule where the natural lens previously resided.

Key Aspects

  • Minimally Invasive: The procedure typically involves very small incisions.
  • Quick Recovery: The recovery process is generally rapid, with many patients experiencing improved vision within a few days.
  • Customized Lenses: Various IOL types are available, allowing for customization based on individual visual needs, including correcting nearsightedness, farsightedness, and astigmatism.
  • IOL Design: The IOL is designed to remain permanently in the eye, thus acting as the new lens.
Procedure Step Description
Preparation The eye is numbed using anesthetic drops to prevent any discomfort during the procedure.
Incision A tiny incision is made at the edge of the cornea.
Phacoemulsification The natural lens is broken into tiny fragments using ultrasound.
Lens Removal The broken fragments of the natural lens are carefully suctioned out of the eye.
IOL Insertion A folded intraocular lens is placed through the incision and positioned in the same capsule where the natural lens was. It is designed to sit permanently in the eye.

Example

Imagine having cloudy vision because of cataracts. This procedure would clear the cloudy natural lens (like cleaning a foggy window) and replace it with a clear, artificial lens.

In short, lens implant surgery removes your cloudy lens and replaces it with a clear artificial one using phacoemulsification and a small incision.

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