What Causes Different Eye Colors?
The same compound that determines our skin color also creates the variety of eye colors we see.
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The same compound that determines our skin color also creates the variety of eye colors we see.
The complexity of the human eye makes it vulnerable to a variety of problems.
Since at least 60 AD, people have been crafting tools to correct vision problems.
Contact lenses and glasses can only correct vision problems to a point.
Insufficient sleep can affect the mind and body like alcohol, but what does it do to our eyes?