Just behind the iris, the colored part of the eye is a lens. It’s called the crystalline lens because it is so clear. A cataract is a loss of the clearness of that lens. The amount of vision loss depends on which part of the lens and the degrees of the cloudiness or opaqueness of the lens. Commonly, there is no vision loss when cataracts first begin to appear.
When the pupil is dilated it allows for observation and examination of the lens. If vision is impaired to an extent that it impedes driving, reading, or other daily activities, correction is made with outpatient surgery.
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Treatment for Cataracts
There are three types of cataracts that can occur within the eyes; subcapsular, nuclear, and cortical. Depending on the type of cataract you have, the effect in which symptoms will occur and how soon they begin will vary.
Believe it or not, there is a lot of good news regarding the treatment of cataracts. The procedure is outpatient and the actual procedure generally takes less than 20 minutes. After the cataract is removed a new lens is implanted with one’s eyeglass prescription.
This means that in many cases even after having worn glasses for many years, distance vision can be restored without the need for glasses. There are even new bifocal implant lenses that also allow the patient to be able to read as well.