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Dr. William Boothe Eye Care Blog
07/16/2010 11:31Band keratopathy Opacity of the corneal stroma and Bowman's membrane. Symptoms include vision loss and foreign body sensation.
Parkinson's disease Neurological disorder characterized by tremors, muscle rigidity, a shuffling walk and a mask-like appearance in the face. Parkinson's may also cause infrequent blinking.(19 April 2010 - Blog article Dr. Boothe Laser Center )
Cerebral cortex Outer portion of the brain where complex functions including certain vision processes take place.
Radiation: 1. Rays of energy. Gamma rays and X-rays are two of the types of energy waves often used in medicine. 2. The use of energy waves to diagnose or treat disease. See also: Irradiation.
LASIK (Laser-Assisted In Situ Keratomileusis) Surgical procedure in which a tiny flap is cut in the top of the cornea, underlying corneal tissue is removed with an excimer laser, and the flap is put back in place. LASIK corrects myopia, hyperopia, astigmatism, and presbyopia through monovision. Read our LASIK procedure article.
Low vision Also called partial sight. Sight that cannot be satisfactorily corrected with glasses, contacts, or surgery. Low vision usually results from an eye disease such as glaucoma or macular degeneration.Dr. William Boothe Lasik
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.
Contact dermatitis: A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a rash brought on purely by repeated irritation from a substance such as water causing "dish pan hands") and allergic contact dermatitis (involving a specific sensitivity or allergy to a specific substance such as poison ivy). (06 March 2007 Boothe Eye Center )
Boothe Eye Care article
Botulism Serious illness from a toxin produced by Clostridium bacteria (usually Clostridium botulinum). Infant botulism and food-borne botulism are the most common forms in the United States. Symptoms include double vision, blurred vision, ptosis, muscle weakness, difficulty speaking, difficulty swallowing, difficulty breathing and nausea.
Protective eyewear Eyewear made with impact-resistant lenses, usually polycarbonate, that protects the eyes, especially in working situations or sports.( 16 August 2008 Online article Dr. William Boothe )
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07/05/2010 12:31Uveitis: Inflammation of the uvea, the part of the eye that collectively refers to the iris, the choroid of the eye, and the ciliary body. The uvea provides most of the blood supply to the retina. Uveitis as a rule signifies inflammation involving the iris, choroid, and ciliary body -- all three components of the uveal tract.
Contact lens drops Eyedrops for contact lens wearers; regular eyedrops can discolor contact lenses.(22 November 2007 - Press article Dr. William Boothe )
Band keratopathy Opacity of the corneal stroma and Bowman's membrane. Symptoms include vision loss and foreign body sensation.
Glaucoma Disease characterized by elevated intraocular pressure, which causes optic nerve damage and subsequent peripheral vision loss. Most people have no initial symptoms of chronic (open-angle) glaucoma, but you can develop peripheral vision loss, headaches, blurred vision, difficulty adapting to darkness and halos around lights. Other forms of glaucoma (e.g., closed-angle glaucoma) may have additional symptoms such as eye pain, a pupil that doesn't respond to light, redness, nausea and a bulging eye.
Nystagmus Rapid and involuntary eye movement that is oscillating and non-chaotic. Blurred vision may result. Nystagmus typically affects infants and has a variety of causes.
Lutein An antioxidant that is found throughout the body, but is concentrated in the macula. Lutein is believed to help protect the eyes from free radical damage caused by the sun's harmful rays.Dr. Boothe
Optometrist: A health care professional who is licensed to provide primary eye care services:
* to examine and diagnose eye diseases such as glaucoma , cataracts , and retinal diseases and, in certain states in the U.S., to treat them;
* to diagnose related systemic (bodywide) conditions such as hypertension and diabetes that may affect the eyes;
* to examine, diagnose and treat visual conditions such as nearsightedness , farsightedness , astigmatism and presbyopia ; and
* to prescribe glasses, contact lenses, low vision rehabilitation and medications as well as perform minor surgical procedures such as the removal of foreign bodies.
* Find a local Doctor in your town
Epithelium The cornea's outer layer of cells. (08 August 2008 Dr. Boothe )
Dr. William Boothe article
Parinaud dorsal midbrain syndrome Inability to look up, typically associated with a brain lesion, characterized by nystagmus and pupil unresponsiveness to light. Causes include hydrocephalus ("water on the brain") and tumors of the pineal gland.
Trifocal A lens design that has three focal areas: a lens for close work or reading, a lens for mid-distance viewing or arm's length, and a lens for faraway viewing or driving.( 27 February 2007 Online press Dr. Boothe )
Dr. William Boothe
07/01/2010 19:10Suspensory ligament Also called zonule of Zinn. Membrane of fibers (zonules) that holds the eye's lens in place.
Bacteria: Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites (dependent upon another organism for life).(15 April 2008 - Online article Dr. Boothe )
FDA (Food & Drug Administration) A U.S. government body that oversees medical devices and medications, including contact lenses, intraocular lenses, excimer lasers and eye drops. In the United States, these products must be approved by the FDA before they can be marketed.
Iris A pigmented membrane that lies between the cornea and the lens; it acts as a diaphragm to widen or narrow the opening called the pupil, thereby controlling the amount of light that enters the eye.
Corneal abrasion A loss of the epithelial layer of the cornea, typically due to minor trauma (contact lens trauma, a sports injury, dirt or another foreign body, etc.). Symptoms include blurred vision, foreign body sensation, grittiness, light sensitivity, eye pain or discomfort, a red or pink eye and tearing.
Macular edema Swelling of the central portion of the retina (macula), due to buildup of fluid leaking from retinal blood vessels. Causes temporary or permanent vision loss if untreated.Dr. William Boothe
Vascular birthmark A pink, red or purple mark (flat or slightly raised), typically on an infant's face or neck, caused by a malformation of blood vessels. Types of vascular birthmarks include capillary hemangiomas ("stork bites" or "angel's kisses") and port-wine stains.
Photokeratitis "Sunburn" of the cornea; symptoms include discomfort, blurred vision, and light sensitivity. The temporary vision loss that can result is called "snow blindness." (30 March 2008 Dr. William Boothe )
Dr. Boothe article
Anisometropia Condition where the eyes have a significantly different refractive power from each other, so the prescription required for good vision will be different for each eye.
Neuroretinitis Inflammation of the optic nerve and retina, commonly caused by an infection. Symptoms include blurred vision, headache, floaters, eye pain or discomfort, vision loss and loss of color vision.( 05 June 2008 Blog article Dr. Boothe )
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