AKN / Humans / Eyes

Learn about Refractive Errors

What is an refractive error?
A refractive error is a type of vision problem that makes it hard to see clearly. (1)

What produces a refractive error?
A refractive error happens when the shape of the eyes keeps light from focusing correctly on your retina. (1)

What are types of refractive errors?
myopia (nearsightedness) (1)
hyperopia (farsightedness (1))
astigmatism (1)
presbyopia (1)

Resources
1. https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/refractive-errors

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