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Common Visual Problems

Home > How Your Eyes Work? > Common Visual Problems

Myopia

Corneal curvature is too steep or eye ball too long:

Incoming light comes to a focus in front of the retina
Distant objects out of focus
Close-up objects are clear

Hyperopia

Corneal curvature is too flat or eyeball is too short:

Focal point is behind the retina
Distant objects are clear
Close-up objects out of focus

Astigmatism

Cornea has an oblong or even more irregular shape:

Light rays focus on two or more points
Partially blurry vision

Age-related Presbyopia

With age, lens loses flexibility and some ability to refract light:

Close-up objects out of focus