Certified Paraoptometric QUESTIONS WITH COMPLETE SOLUTIONS

Sclera Correct Answer: outer protective layer of the eye (white of the eye) cornea Correct Answer: transparent anterior part of the sclera; allows light rays to enter the eye choroid Correct Answer: middle layer of the eye interlaced with blood vessels that supply nutrients to the eye. iris Correct Answer: pigmented muscular structure that regulates the amount of light entering the eye by controlling the size of the pupil. pupil Correct Answer: opening in the center of the iris. lens Correct Answer: directly behind the pupil; focuses and bends light retina Correct Answer: innermost layer of the eye which contains vision receptors aqueous humor Correct Answer: watery liquid in the anterior cavity of the eyes which provides nourishment and shape to the anterior eye vitreous humor Correct Answer: Jellylike liquid found behind the lens in the posterior cavity of the eye that maintains its shape meibomian glands Correct Answer: oil glands in upper and lower edges of the eyelids that help lubricate the eye. lacrimal glands & ducts Correct Answer: produces and drains tears optic nerve Correct Answer: carries visual impulses from retina to brain conjunctiva Correct Answer: mucous membran