Bifocal Lens with one segment for near vision and one segment for far vision. The term can apply to both eyeglass lenses and contact lenses.
Color blindness Partial or total inability to distinguish specific colors. Color blindness is inherited, and is much more common in men than in women.( - Dr. Boothe)
Boothe Eye Care & Laser Surgery: Descemet's membrane Corneal layer between the stroma and the endothelium.
Placebo A "false" but harmless treatment that has no proven medical value. Placebos usually are incorporated into clinical trials to measure how patients respond to an authentic therapy that is being tested. Some patients are given placebos, and others are given the actual therapy, to provide objective comparisons and assessments.
Dr. Boothe Eye Surgery
Melanosis Condition characterized by melanin (pigment) deposits in the skin or eyes. ( Dr. William Boothe Eye Surgery )
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.
Dr. William Boothe Laser Center
Atropine: A drug obtained from belladonna that is administered via injection, eye drops, or in oral form to relax muscles by inhibiting nerve responses. Used to dilate the pupils and as an antispasmodic .( Dr. William Boothe TX )
Dr. Boothe TX: ANSI The American National Standards Institute is a private, non-profit organization that coordinates efforts to develop standards for manufacturing many different products, including eyeglass lenses. For example, certain ANSI standards define acceptable levels of impact resistance for safety eyewear.
Dr. Boothe: Optic nerve head Also called optic disk. Circular area where the optic nerve enters the retina, and the location of the eye's blind spot.
