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outer protective layer of the eye; the portion seen on the anterior portion of the eyeball is referred to as the white of the eye
transparent anterior part of the sclera, which is in front of the aqueous humor and lies over the iris
jellylike substance found behind the lens in the posterior cavity of the eye that maintains its shape
oil glands found in the upper and lower edges of the eyelids that help lubricate the eye
reduced vision in one eye caused by disuse or misuse associated with strabismus, unequal refractive errors, or otherwise impaired vision; also called lazy eye
eye disorder characterized by optic nerve damage usually caused by the abnormal increase of intraocular pressure
a progressive deterioration of the portion of the retina called the macula lutea, resulting in loss of central vision
yellowish mass on the conjunctiva that may be related to exposure to ultraviolet light, dry climates, and dust
thin tissue growing into the cornea from the conjunctiva, usually caused from sun exposure
hereditary, progressive disease marked by night blindness with atrophy and retinal pigment changes
abnormal condition of squint or crossed eyes caused by the visual axes not meeting at the same point
creation of an artificial opening between the tear (lacrimal) sac and the nose
LASIK (laser-assisted in situ keratomileusis)
a laser procedure that reshapes the corneal tissue beneath the surface of the cornea to correct astigmatism, hyperopia, and myopia; a combination of excimer lster and lamellar keratoplasty
method to remove cateracts in which an ultrasonic needle probe breaks up the lens, which is then aspirated
PRK (photorefractive keratectomy)
a procedure for the treatment of nearsightedness inwhich an excimer laser is used to reshape (flatten) the corneal surface by removing a portion of the cornea
a procedure to repair tears in the retina by use of an intense, precisely focused light beam, which causes coagulation of the tissue protein
a procedure to repair a detached retina; a strip of sclera is resected, or a fold is made in the sclera
surgical creation of a drain to reduce intraocular pressure (used to treat glaucoma)
surgical removal of all or part of the vitreous humor (used to treat diabetic retinopathy)
(photographic) process of recording blood vessels (of the eye with fluorescing dye)
instrument used to measure (the curvature of) the cornea (used for fitting contact lenses)
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