eye focuses images correctly

• hemianopia

• emmetropia

• myopia

• hyperopia

loss of the same side of the visual field of both eyes; caused by damage to the visual cortex on only one side

• emmetropia

• hemianopia

• convergence

• myopia

caused by blockage of aqueous humor leading to increased intraocular pressure; causes damage to the retina and optic nerve

• glaucoma

• cataracts

• astigmatism

• night blindness

gel-like substance found posterior to the lens of the eye

• fovea centralis

• fundus

• aqueous humor

• vitreous humor

clear, watery fluid contained in the anterior chamber of the eye

• rhodopsin

• aqueous humor

• fundus

• vitreous humor

ability of the eye to focus specifically for close objects

• astigmatism

• hyperopia

• accomodation

• emmetropia

unequal curvatures of the cornea or lens cause blurry images

• myopia

• hyperopia

• emmetropia

• accomodation

also called the scleral venous sinus; where aqueous humor is reabsorbed into venous blood

• canal of Schlemm

• fovea centralis

• optic tracts

• optic chiasma

purple pigment found in rods

• glaucoma

• rhodopsin

• melanin

• carotene

light rays from distant images are focused behind the retina; "farsighted"

• emmetropia

• myopia

• hyperopia

• convergence