Homocysteine An amino acid containing sulfur. A high homocysteine level in the blood is a possible risk factor for heart disease. One major study indicates that lowering homocysteine levels through vitamin B supplementation might help prevent diseases associated with impaired function of small blood vessels, such as macular degeneration. More studies are needed to verify such a link.(27 August 2010 - Online press Boothe Eye Center )
Hard contact lenses Rarely worn now, these are the small, hard lenses made of PMMA material that many people wore in the '70s and '80s. Compared with modern soft and rigid lenses, they are less healthy to wear long-term, since the material doesn't allow oxygen to reach the surface of the eye.
Diabetic retinopathy Leaking of retinal blood vessels in advanced or long-term diabetes, affecting the macula or retina. Most people have no symptoms at first, but can develop blurred near vision, double vision, floaters, retinal/vitreous hemorrhages and metamorphopsia. In later stages, you can also suffer vision loss.
Esotropia When one or both eyes point inward, so the eyes are "crossed." This is one type of strabismus.
Scrub: 1. As a verb, to wash the hands and forearms very thoroughly, as before engaging in surgery. To scrub implies the use of a brush (and often an implement to clean under the nails). To scrub, to scrub in (on a surgical procedure), and to scrub up are synonymous.
2. As a noun, a person who scrubs, as for surgery.
3. As an adjective, pertaining to scrubbing in for surgery, as a scrub nurse or a scrub tech.Dr. Boothe Laser Center
Eye tumor A growth or mass that occurs in or next to the eye. Specific tumors, both benign and malignant, include the dermoid cyst, capillary hemangioma, cavernous hemangioma, choroidal melanoma, retinoblastoma, rhabdomyosarcoma and lymphoma. The cause is dependent on the type of tumor you have. Symptoms can include blurred vision; a bulging eye; double vision; floaters; foreign body sensation; pain or discomfort in the eye, the lid or around the eye; swelling of the lid or around the eye; a red or pink eye; ptosis; vision loss; limited eye or lid movement; a white or cloudy spot on the eye; and an iris defect.
Temple The "arm" of a pair of glasses, running from the ear to the lens area. (24 May 2009 Dr. Boothe Dallas )
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Pars plana Posterior part of the eye's ciliary body.
Edema Accumulation of an excessive amount of watery fluid, which causes swelling.( 17 April 2007 Online blog Dr. William Boothe )
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