Cataract Treatment: Removing the Cloudy Lens

A cataract is a clouding of your eye's lens. Surgery can be done to remove the cataract and replace the lens. This can help you see better. The 2 most common ways to remove a cataract are phacoemulsification and extracapsular extraction.

Cross section of front of eye showing instrument performing phacoemulsification.

Front view cross section of eye showing instrument removing lens.

Phacoemulsification

A small cut (incision) is made in the cornea. This is the clear cover on the front of your eye. Or a cut may be made in the white part of your eye (sclera). Then a hole is made in the anterior capsule. This is the space between your cornea and the colored part of your eye (iris). A tiny ultrasound probe is inserted into the lens. Sound vibrations from the probe break the cloudy lens into tiny pieces. The pieces are then suctioned out. Stitches may be needed after this is done.

Extracapsular extraction

This method makes a larger cut in the cornea. The entire lens can then be removed at once through the cut. Stitches are used to close the cut after the procedure.

Implanting an IOL

After the cloudy lens is removed, it can be replaced with a plastic lens called an IOL (intraocular lens). 

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