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eye
Organ of vision serving to perceive shapes, distances, colors and motion.
lachrymal canal
Duct opening out into the nasal fossae through which tears produced by the tear glands are discharged.
lachrymal gland
Organ secreting tears that flow over the surface of the eye to lubricate and cleanse it (eliminate dust and germs).
lower eyelid
Thin muscular membrane that is translucent and movable; it rises from the lower edge of the eye to protect and cleanse it.
sclera
Strong fibrous opaque membrane covered by the conjunctiva; it surrounds the eyeball and protects the inner structures.
pupil
Central orifice of the eye whose opening varies to regulate the amount of light entering the eye; light causes the pupil to contract.
upper eyelid
Thin movable muscular membrane descending from the upper edge of the eye. The eyelids protect the eye, emit tears and discharge waste. Batting of the eyelashes is very frequent.
iris
Colored central portion of the eyeball composed of muscles whose dilation or contraction controls the opening of the pupil.
lachrymal caruncle
Small reddish mass located at the inner corner of the eye formed by the fold of the conjunctiva.
eyelash
Each of the hairs lining the free edge of the eyelid; they prevent dust and other particles from entering the eye.
