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Question

Which one of the following element is present in the eyes of certain animals ?

A
Zinc
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B
Copper
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C
Gold
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D
Potassium
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Solution

The correct option is A Zinc
Zinc, a trace element that influences cell metabolism through a variety of mechanisms, appears to play an integral role in maintaining normal ocular function. This element is present in high concentrations in ocular tissue, particularly in retina and choroid. The physiological functions for zinc have been studied predominantly in retina and retinal pigment epithelium where zinc is believed to interact with taurine and vitamin A.

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