Treatments For Cataracts And Corneal Clouding

Cataract is the clouding of the eye's lens. This eye problem always causes blurry vision and even vision loss. While the condition is mostly linked with natural aging, people of all age can be affected in fact. Another similar condition is the clouding of the cornea. These two problems have different treatment methods. While cataracts can be cured by lens removal, corneal clouding usually involves transplants of corneal tissue.

Once the eyes are dilated by an eye doctor, the pupils become any thing but pin-hole lenses, so that the focus ability will be significantly reduced. In similar, patients are disabled to focus light if their lenses are completely removed in cataract surgery. As a result, thick spectacles were used to restore a patient's focus ability in the past. However, this means could offer limited focus restoration.

Nowadays, contact lenses have been an effective solution to focus restoration after cataract surgery. Furthermore, modern intraocular lens (IOL) is just like a miniature contact lens that is placed inside the eye. At the beginning, only rigid IOLs were available but now the soft type is also an option.

The most advanced type of IOL is multifocal IOL, which can provide clear vision at all distances. Like contact lenses, IOLs can be changed once there is a focus change due to natural aging. One advantage of IOLs over contact lenses is that they require no care after installation during the cataract surgery.

Contact lenses used after cataract surgery have certain problems. They are not suitable for some groups, such as the very old, very young or physically disabled individuals. One remedy is the invention of extended wear contact lenses, which allow wearers to keep contacts for consecutive days. However, the condition of neovascularization should be closely monitored.

Cataracts or corneal clouding is not a trivial problem. Fortunately, modern treatments enable patients to restore perfect focus ability. In the United States, cataract surgery is the most frequently performed surgery now.

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