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Astigmatism
Astigmatism occurs when the cornea and/or lens start to grow into the shape of a cylinder and not a sphere.
2 min read

Hyperopia (farsightedness)
Hyperopia occurs when the cornea and the lens focus light behind the retina.
2 min read

Presbyopia
Presbyopia occurs when the intra-ocular lens becomes sufficiently large and hard that its shape cannot be affected by its own eye muscles.
2 min read

Myopia (nearsightedness)
Myopia occurs when the cornea and the lens focus light before the retina (the back surface of the inside of the eye responsible for sensing
2 min read

How to Read a Glasses Prescription
Prescription eye glasses are designed to help the eyes focus light on the retina.
2 min read


Refractive Eye Surgeries
Refractive eye surgery refers to a collection of surgeries that change the power of either the cornea or the lens.
4 min read
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