Mondo Knows Facts
The cornea is one of the few body parts without blood vessels
Transparent eye tissue receives oxygen directly from tears and air
To remain completely transparent for clear vision, the cornea contains no blood vessels. Instead, it obtains oxygen directly from atmospheric air dissolved in tear film on its outer surface, while receiving nutrients from aqueous humour fluid behind it.
Where this comes from
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Tags: eyes, cornea, vision
The cornea is one of the few body parts without blood vessels: the short answers
- Where does this come from, and can I check it?
- Transparent eye tissue receives oxygen directly from tears and air. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a human body fact?
- Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.