Monthly Archives: February 2014

Legal blindness – What does it mean?

COA Vision

Recently, after telling a young patient of mine that she needed glasses, she asked “Does that mean I’m blind?” Fortunately, she was nowhere close to being blind. Her vision, with correction, was 20/20 in each eye.

Unfortunately, that is not the case for all of my patients. Some of my patients have lost sight permanently due to macular degeneration, amblyopia, glaucoma, stroke or injuries that have left them with vision much worse than 20/20, even with the best pair of glasses or contacts available to them.

Picture courtesy of musescore on Flickr Picture courtesy of musescore on Flickr

Although definitions can vary, the term “legally blind” commonlyrefers to a person who’s vision in their better eye cannot be corrected to 20/200 with correction or who’s visual field is limited to 20 degrees or less.

It is important to delineate the difference between blindness and legal blindness. A person who is blind is unable to see…

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preretinal hemorrhage

Found this article and find it interesting and want to shear it with you all

What’s gradual, painless and dubbed the Silent Thief of Sight?

Great article and worth reading and a fine information for optician

COA Vision

The answer is Glaucoma, an eye disease that slowly causes you to lose your vision.  If you’ve been proactive in monitoring your health, you should hopefully have a pretty good idea of certain health conditions that run in the family.  For example, mom has high cholesterol, dad has diabetes and you remember your grandmother uses eye drops for something.  Knowing your family eye history is very important because most eye diseases tend to be genetic.  Glaucoma, for example, tends to run on the mother’s side of the family.  If your mom has glaucoma, make sure you tell your optometrist.

glaucomadimming_55Laney69 Courtesy of 55Laney69 on Flickr
(Left – Normal Vision, Right – with glaucoma)

What exactly is Glaucoma?  It’s a disease where the optic nerve slowly deteriorates as a result of poor blood flow and is often accompanied by high intraocular pressures.  The optic nerve is a bundle of smaller nerve…

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