The transparent cornea at the front of your eye has zero blood vessels—it absorbs oxygen straight from the air through tears.
Blood vessels across the front of the eye would scatter light and blur vision. Staying vessel-free keeps the cornea crystal clear while letting oxygen diffuse in directly from the outside.
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Quick Guess: Why does the human cornea contain no blood vessels?
Verified Answer: To remain completely transparent for clear vision
Quiz Question: Why does the human cornea contain no blood vessels?
Correct Answer: To remain completely transparent for clear vision
Staying free of blood vessels keeps the cornea transparent while tears absorb oxygen from air.
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