Which of the following is NOT a cause of color blindness?
A. Long-term exposure to sunlight without eye protection.
B. Hereditary factors.
C. Chemical exposure.
D. Aging.
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How does the mechanism of myopia lead to blurry distant vision?
A. The cornea flattens, spreading the light too wide on the retina.
B. The lens loses its elasticity, failing to properly focus light.
C. The eyeball elongates, causing light rays to focus before reaching the retina.
D. The retina moves closer to the lens, distorting the light focus.
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