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ophthalmic vocab
opthalmic medical terminology
Question | Answer |
---|---|
aqueous humor | clear,watery fluid that fills the anterior/posterior chambers of the in the front of the eye |
buckling component | silicone bolster that encircles the eye |
capsulorrhexis | surgical technique used in cataract extraction when the capsule of the cataract is torn, and a complete capsulotomy is performed |
cataract | condition in which the crystalline lens of the eye, its capsule, or both become opaque, w/consequent loss of vision |
choroid | the vascular, intermediate tissue layer that provides nourishment to the other parts of the interior eye |
conjunctiva | the mucous membrane that lines the eyelids and covers the front of the eyeball |
cryotherapy | a technique whereby an instrument or cryoprobe is used to freeze tissue such as the sclera, ciliary body or retinal layers |
diathermy | low-power cautery used to mark the sclera over the area of the retinal detachment |
enucleation | surgical removal of the contents of the eyeball after the eye muscles and optic nerve have been severed |
evisceration | surgical removal of the eyeball, w/the sclera left intact |
exenteration | removal of the entire contents of the orbit |
glaucoma | a localized eye disease characterized by increased sustained intraocular pressure that causes damage to the eye |
globe | the eyeball |
hydroxyapatite implant | a porous implant made of calcium phosphate and a naturally occurring body substance that is coupled to an artificial eye w/a peg |
keratoplasty | corneal transplant surgery |
phacoemulsification | a process whereby high-frequency waves are used to emulsify tissue, such as a cataract; dissolved tissue can then be removed by aspiration |
posterior chamber | the fluid-filled space between the back of the iris and the front of the lens |
pterygium | a triangular membrane that arises from the medial canthus and that can extend over the cornea, causing blindness |
trabeculectomy | surgical removal of a portion of the trabeculum to improve outflow of aqueous in glaucoma pts |
vitreous humor | a transparent, colorless gel that normally fills the eyeball in front of the retina |