Monday, January 29, 2007

Retinal Detachment - part 2

The sudden onset of light flashes and floaters could be the warning signs of an impending retinal detachment. They do not always mean that a retinal tear has occurred, but do necessitate a prompt visit with an ophthalmologist. If a retinal tear is discovered before detachment occurs, laser treatment could be performed to possibly prevent separation. Also, a slow enlarging of a dark curtain or shadow in one eye could signify the start of detachment. This curtain usually begins in the peripheral vision, and could move to the central vision. At this point, laser treatment is not helpful, and an operation is usually necessary.

Approximately one out of 10,000 people in the United States develop retinal detachments each year. People who are at highest risk are those with extreme nearsightedness (hypermyopia), a family history of retinal detachment, or thinning of the retina (lattice degeneration) or other degenerative retinal conditions. Such people should have regular retinal examinations and should be alert for symptoms.

Since surgery is the only treatment for an established retinal detachment, there are several procedures which can help. The ultimate goal of each is to repair the tear so that the retina will return to its normal position. The area around the tear is then treated with a laser, creating a strong bond between the retina and choroid and helping to prevent a future detachment.

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