Equine Eyes

Been wanting to do this for a while will be doing a marking one soon (when i can be bothered to do the grey scales)

~Brown

Hazel

Usually found on horses with lighter coloured coats such as palomino and buckskin.
Brown

Found on most horses.The skin will be dark around it.
Dark Brown

usually found on the darker coats such as black and dark bay but also found else where.

Blue

Leaked Blue

im not sure if its the proper name but meh.
where the inside of the eye is darker than the outside of the eye.
Blue on splash

When the horse has the Splash gene it creates a blue eye no matter if it has a white marking around the eye or not.
Blue

when the horse has a light coat such as white or Cremello it makes the ye white and the skin pink.

Rare Cases

Green
i cant find an image on deviant so here [link]
Foals are some times born with green eyes that change to blue in later life.
Green eyes are extremely rare!!!
Heterochromia
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Can happen randomly or when a white marking passes though half the eye it courses Heterochromia where the eye is both blue and brown.
It may mean the horse is blind but most times its not.
Blind
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if the horse is blind its eye might be completely black or white or a mixture of both.
it can happen in both or just one eye.