Unexpected Sight Loss: What are the Causes?

While browsing through my RSS feeds, I came across the following article that explains the two major eye diseases responsible for the majority of sight loss today. I thought it was a great article and wanted to share it with you.

The article comes from the Perfect Health Blog and was originally published on August 2, 2006 by the Administrator.

Diabetes, Glaucoma Put Millions At Risk for Unexpected Blindness

Unexpected sight loss is more common than you may think. Blindness often happens without prior warning signs and in people unaware they are at risk.

The two most common culprits of unexpected sight loss are diabetes and glaucoma. These diseases are known as the “sneak thieves of sight” because symptoms may not occur in the early stages. By the time a person realizes something is wrong, irreversible vision loss often occurs.

In fact, diabetic eye disease is the leading cause of blindness in adults. An average of 55 Americans go blind from the disease each day. The numbers threaten to rise sharply as diabetes becomes increasingly common due to poor eating habits, infrequent exercise and an aging population. One in three children born in the United States five years ago are expected to become diabetic during their lives.

Diabetes causes partial or complete loss of vision in as many as 70 percent of those who have it. Yet 30 percent of all people who have diabetes don’t even know they have it. Even people who know they have diabetes downplay the risks they face.

According to a survey of diabetics sponsored by Lions Clubs International, 60 percent were not worried about going blind or losing a limb. In reality, 74 percent of diabetics will develop serious complications that could lead to loss of sight or a limb or kidney failure.

Glaucoma, on the other hand, is a group of eye diseases that slowly damage the fine nerves that connect the eye to the brain. For most people, this damage occurs when pressure in the eye is too high. When these nerves are damaged, vision loss may result.

Glaucoma is the second-leading cause of blindness in the United States. But like diabetes, not enough people know about it: An estimated 4.2 million Americans have glaucoma but half are not aware of it.

Diabetes and glaucoma are especially prevalent among blacks and Hispanics. These groups are believed to have a genetic predisposition to the diseases and are much more at risk than Caucasians. Others particularly at risk for glaucoma are people over 60, those with a family history of glaucoma, diabetics and the very near-sighted.

The good news for those at risk is that a dilated eye exam can detect the two diseases and early treatment can prevent vision loss. Vision experts urge at-risk people to have regular eye exams.

Raising awareness of diabetic eye disease and glaucoma is key to preventing unnecessary blindness. Lions Clubs International works with Lions clubs, community groups and individuals to publicize the need for early detection and timely treatment of the two diseases. The Lions Eye Health Program provides materials for distribution at health fairs, senior citizen centers and similar gatherings. It also offers strategies for raising awareness of the eye diseases.

LEHP is run by Lions Clubs International Foundation, which has restored sight (through cataract surgeries) or prevented serious vision loss for 25 million people and improved eye care services for millions worldwide. For more information, visit http://www.lehp.org, send an e-mail to lcif@lionsclubs.org or call (800) 982-0356.

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