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6 votes

What causes the cornea to change shape in astigmatism?

The specific cause of astigmatism is unknown. It can be hereditary and is usually present from birth. It can decrease or increase over time. - American Optometric Association You might've had it ...
kit's user avatar
  • 828
2 votes
Accepted

Is corneal ulcer contagious?

There are a couple variables, let me explain. An ulcer itself is not contagious. It is just an open sore that won't heal properly. What exactly causes an ulcer to occur needs to be determined by a ...
cloudnyn3's user avatar
  • 324

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