adnexa -Answer✅ extraocular structures of the eye which include the eyelids, the orbit,
lacrimal glands
anterior chamber -Answer✅ the area bounded in front by the cornea and in the back by the
lens and filled with aqueous
aqueous -Answer✅ a clear, watery solution in the anterior and posterior chambers
artery -Answer✅ the vessel supplying blood to the eye
canal of schlemm -Answer✅ the passageway for the aqueous fluid to leave the eye
choroid -Answer✅ carries blood vessels and is the inner coat between the sclera and the
retina
ciliary body -Answer✅ unseen part of the iris, together with the ora serrata form the uveal
tract
conjunctiva -Answer✅ a clear membrane covering the white of the eye
cornea -Answer✅ a clear transparent portion of the outer coat of the eyeball through which
light passes to the lens
iris -Answer✅ provides eye colors and functions like the aperture on a camera enlarging in dim
light and contracting in bright light
lens -Answer✅ helps to focus light on the retina
, macula -Answer✅ a small area on the retina provides our most central acute vision
optic nerve -Answer✅ conducts visual impulses to the brain from the retina
posterior chamber -Answer✅ located behind the iris and in front of the lens filled with the
aqueous
pupil -Answer✅ opening, aperture of the iris
rectus medialis -Answer✅ one of the six extra ocular muscles of the eye
retina -Answer✅ the innermost coat of the back of the eye. formed of the light sensitive nerve
endings that carry the visual impulse to the optic nerve.
sclera -Answer✅ white of the eye, hard protective part
vein -Answer✅ the vessel that carries blood away from the eye
vitreous -Answer✅ The transparent, colorless mass of soft, gelatinous material filling the
eyeball behind the lens.
refractive index of the cornea -Answer✅ 1.376
making the refractive power +48.75
aqueous has a refractive index of -5.75
making the total power +43.00
HVID -Answer✅ horizontal visible iris diameter
measurement of the cornea
11 to 12 mm