"The eyes are the mirror of the soul"
Eyes are the most beautiful part of a living being. When you look into a pair of eyes, you may get a glimpse of one's heart. It may range from experiencing the deepest desires and feeling the most intense feelings to just admiring the beauty of the architecture created by the god.
Only 2% of people have them.
....Eigengrau aka "brain gray".
..that can allow them to see millions of more colors and shading than normal people.
He wears them because he has glaucoma.
Which may leave you with stinging, red, dry eyes.
People with blue eyes can trace their genes back to an individual who lived near the Black Sea nearly 10,000 years. They are also known to have a high tolerance for alcohol.
...that's the reason night-vision goggles are green.
Two large compound eyes and three smaller ocelli eyes in the center of their head.
...apart from humans.