Eye Contact Practice Affection
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=lvFFOb9nRiY
A normal optic nerve is made up of more than a million nerve fibers. With glaucoma, as the optic nerve is damaged, it loses nerve fibers and changes in appearance, called cupping. As cupping increases, blind spots develop. Ophthalmologists use a visual field test to look for these blind spots. Learn more at http://www.geteyesmart.org.
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