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A member asked:
Please explain why is the conjunctiva transparent, even though it is highly vascular?
A doctor has provided 1 answer
Thin membrance: The conjunctiva is a thin, transparent membrane overlying the white sclera. It is interwoven with blood vessels, but this is not a carpet, so the interspaces are transparent and show the sclera underneath. Why? No real explanation - this is how the eye evolved and conjunctivas throughout the mammalian kingdom are transparent, presumably because of no evaolutionary advantage to color.
Answered 12/10/2014
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