Exercise 24: Special Senses: Vision

Created by gima86 

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tarsal glands

sebaceous glands associated with the hair follicle that secrete an oily substance

sclera

fibrous portion of the eye, observable as the "white of the eye"

cornea

through which light enters the eye

choroid

blood rich nutritive region containing a dark pigment that prevents light scattering within the eye

retina

sensory layer of the eye, 2 layered, pigmented epithelium and neural layer

rods, cones

what are the two photoreceptors?

macula lutea

area of high cone density

fovea centralis

minute pit that contains mostly cones, visual acuity

tapetum lucidum

what reflects the light in the eye of animals?

accommodation

the ability of the eye to focus differentially for objets of near vision

real image

the image formed in the retina

myopia

nearsightedness; correction is concave les; focus in front of the retina

hyperopia

farsightedness; correction convex lens; focus behind the retina

convergence

medial eye movements for near vision

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