ball python eye color

So i have two ball pythons and one has pure black eyes with no visible color, like the caps are black. and the other has a clear cap with a brown eye color then the pupil. are either of these abnormal??

There is a large variation in eye color. Both are fine.

I have the following eye colors (I should get pics)

Black
Green
Brown
Silver and Black
Yellowish Brown

Just depends on the snake

oh also idk if this makes a difference but the one with black eyes is about two years older then the (baby) with the brown colored eyes

Makes no difference. Just a variation.

Most Normals have black eyes. Many morphs have eye colors other than black.