Tuesday, August 24, 2010

Online press Boothe Eye Center

Canaliculus Tiny, tube-shaped passageway in the body. In the eye, canaliculi are tiny channels at the beginning of tear ducts through which tears drain until they exit into the nose.

Fluorescein angiography An imaging test that involves first injecting fluorescent yellow-green dye into the veins. When the dye reaches interior regions of the eye, it provides opportunity for high contrast photography or other imaging of blood vessels. Fluorescein angiography particularly is useful in diagnosing conditions such as age-related macular degeneration, which in advanced forms can be characterized by abnormal growth of blood vessels in the retina.(07 October 2008 - Online press Boothe Eye Center )

RGP (Rigid Gas Permeable) Type of contact lens made of breathable plastic that is custom-fit to the shape of the cornea. RGPs are the successor to old-fashioned hard lenses, which are now virtually obsolete.

Solution Product used to clean, disinfect and store contact lenses.

Keratotomy Incision of the cornea.

Binocular vision Ability of both eyes to work together to achieve proper focus, depth perception and range of vision.Boothe Eye Care

Pupil: The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the iris that is the prime mover; the pupil is merely the absence of iris. The pupil determines how much light is let into the eye. Both pupils are usually of equal size. If they are not, that is termed anisocoria (from "a-", not + "iso", equal + "kore", pupil = not equal pupils).

Albinism Condition where a person or animal lacks pigment. Albinos' eyes often have very light blue or pink irises and a pink pupil (due to lack of pigment inside the back of the eye). Visual symptoms include light sensitivity, nystagmus, blurred vision, vision loss and strabismus. (17 October 2009 Dr. Boothe Laser Center )

Dr. Boothe article



Chalazion A small bump on the eyelid caused by an obstructed meibomian gland. Additional symptoms include light sensitivity, tearing and eyelid swelling. Chalazia are usually not painful unless they become infected. Read more about chalazia.

Stroma The cornea's middle layer; it consists of lamellae (collagen) and cells, and makes up most of the cornea.( 28 September 2009 Blog article Dr. Boothe )