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8.4.3.a Outline the function and structure of the eye including the: conjunctiva, cornea, sclera, retina including rods and cones, tear ducts, eyelid, convex lens, muscles moving the eyeball 8.4.3.b Identity that the eye produces tears as a protective mechanism 8.4.3.c Assess the need for eye exercises in many work situations 8.4.3.d Explain ... ................
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