go optometrist.
http://www.eyevet.info/corneal_dystrophy.html I believe the answer you are looking for is at the link above.
yes
She may have pink eye or caner eye. Most cows that get pink eye will have a white spot that starts from the center and extends outward. Cancer eye is typically opposite, starting from the edge and spreading inward.
Pull it off
nothing
Yellow fever
if the beta has a white spot in his eye like a "blur".
It is most likely a sty which is an ingrown hair on the eye. It will go away with time.
The brown spot is the vestigial eye (represented by a white dot) located between the eyeballs.
conjunctivitis
its an english bull terrier
cataracts