Question:

What does a yellow tint in the cornea of the eye mean?

Answer:

A yellow tint around the cornea could be a symptom of hypercarotenemia, an excess intake of beta carotene.

More Info:

Chemistry Carotene Cornea Carotenosis
Vitamin A

InChI=1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+YYes 
Key:FPIPGXGPPPQFEQ-OVSJKPMPSA-NYYes 

Vitamin A is a group of unsaturated nutritional organic compounds, that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids, among which beta-carotene is the most important. Vitamin A has multiple functions, it is important for growth and development, for the maintenance of the immune system and good vision. Vitamin A is needed by the retina of the eye in the form of retinal, which combines with protein opsin to form rhodopsin the light-absorbing molecule, that is necessary for both low-light (scotopic vision) and color vision. Vitamin A also functions in a very different role as an irreversibly oxidized form of retinol known as retinoic acid, which is an important hormone-like growth factor for epithelial and other cells.

Keratoconus Vitamins Carotenoids Hydrocarbons Health Medical Pharma Health Medical Pharma
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