accommoda on
the process by which the eye maintains a clear image on the re na
anterior chamber
aqueous-containing space in the eye between the posterior (endothelial) cornea and the
anterior iris and pupil
aqueous humor
transparent nutrient-containing fluid that fills the anterior and posterior chambers of the eye
as gma sm
refrac ve error due to an irregularity in the curvature of the cornea
binocular vision
normal ability of both eyes to focus on one object and fuse the two images into one
blindness
inability to see, defined as corrected visual acuity of 20/400 or less, or a visual field of no
more than 20 degrees in the be$er eye
bullous keratopathy
corneal edema with painful blisters in the epithelium due to corneal endothelial dysfunc on
chemosis
edema of the conjunc va
diplopia
seeing one object as two; double vision
ectropion
turning out of the lower eyelid
emmetropia
normal refrac ve condi on resul ng in clear focus on re na; no op cal defects
endophthalmi s
, intraocular infec on of aq. humor or vitreous humor
-usually a(er cataract surgery
by staph epidermidis, pseudomonas
entropion
turning in of the lower eyelid
enuclea on
removal of the eyeball and part of the op c nerve
eviscera on
removal of the intraocular contents through a corneal or scleral incision; the op c nerve,
sclera, extraocular muscles, and some mes the cornea are le( intact
exentera on
surgical removal of the en re contents of the orbit, surrounding so( ssue, and most or all
of the eyelids. this includes the eyeball
hyperemia
red eyes resul ng from dila on of the vasculature of the conjunc va
hyperopia
farsightedness; light rays focus behind the re na
hyphemia
blood in the anterior chamber of the eye
hypopyon
collec on of inflammatory cells that has the appearance of a pale layer in the inferior
anterior chamber of the eye
injec on
conges on of blood vessels
keratoconus
a cone-shaped protrusion of the center of the cornea, not accompanied by inflamma on
mio cs
medica ons that cause constric on of the pupil
mydria cs