What kind of eye deceases are there for eyes?

Question

theres far sighted then short sight thats all i know

Answer 1

I think you mean conditions that affect your glasses prescription .

There is  astigmatism, and presbyopia along with nearsighted ( myopia) and farsighted ( hyperopia)

Answer 2

conjunctivitis (when the eye become v.bloodshot)

Cataracts (When the lens clouds over)

Those two are pretty common diseases...

Other than that, there's colourblindness (not really a disease)

Answer 3

glaucoma, conjunctivitis, macular degeneration, cataracts (Google each one to find the symptoms and more details.)