“What is the difference between hyperopia, myopia, astigmatism, and presbyopia?”

“What is the difference between hyperopia, myopia, astigmatism, and presbyopia?”

These four conditions are referred to as refractive errors.  Did you know that you can have 3 of these four refractive errors at the same time?  The terms describing the various vision conditions can be pretty confusing, especially when you are told that you have more than one of these!  Let’s break down each in turn and explain how they affect the way you see the world. First, let’s translate these words into English.  The suffix “-opia” is Greek for “of the eye”.  “Myo-...

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