Contact lenses are thin lenses that sit on top of the cornea (the clear outer layer of the eye). They make your vision clearer — just like eyeglasses. Read about the different types of contact lenses, their benefits and risks, how to take care of them, and how to get them.| www.nei.nih.gov
Refractive errors happen when the shape of your eye keeps light from focusing correctly on your retina. Each type of refractive error is different, but they all make it hard to see clearly. Read about nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia.| www.nei.nih.gov
Some types of surgery can change the shape of your cornea (the clear front layer of your eye) to fix refractive errors. Learn about the different types of surgery that can fix refractive errors, including their risks and benefits.| www.nei.nih.gov
Eyeglasses are the safest and simplest way to correct refractive errors. Read about the different types of eyeglasses, how they work, and how you get them.| www.nei.nih.gov
Presbyopia is a normal part of aging that makes it harder for older adults to see things up close. Read about what causes presbyopia and how to manage it.| www.nei.nih.gov
Nearsightedness — or myopia — is an eye condition that makes far-away objects look blurry. Read about what causes nearsightedness and how it can be diagnosed and treated.| www.nei.nih.gov
Farsightedness — or hyperopia — is an eye condition that makes nearby objects look blurry. Read about what causes farsightedness and how it can be diagnosed and treated.| www.nei.nih.gov
Astigmatism is a common eye problem that can make your vision blurry or distorted. It happens when your cornea (the clear front layer of your eye) or lens (an inner part of your eye that helps the eye focus) has a different shape than normal. Learn about the symptoms, causes, diagnosis, and treatment of astigmatism.| www.nei.nih.gov
A dilated eye exam is the only way to check for eye diseases early on, when they’re easier to treat. Learn more about dilated eye exams.| www.nei.nih.gov