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Refractive defects and Corrective lenses
A) Normal eyesight - Light is refracted on to the retina
B) Hyeperopia - Eye is too short, and the focal point is behind the retina.
C) A convex lens refracts the light on to the retina.
D) Myopia -Eye is to long, focal point is in front of the retina.
E) Concave lens refracts light so focal point lands on Retina.
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