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Difference in sharpness of vision between the eyes (refractive amblyopia). A significant difference between the prescriptions in each eye — often due to farsightedness but sometimes to nearsightedness or an uneven surface curve of the eye (astigmatism) — can result in lazy eye.
Glasses or contact lenses can correct problems such as nearsightedness, farsightedness or astigmatism that result in lazy eye. Eye patches. To stimulate the weaker eye, your child wears an eye patch over the eye with better vision for two to six or more hours a day.
LASIK eye surgery is the best known and most commonly performed laser refractive surgery to correct vision problems. Laser-assisted in situ keratomileusis (LASIK) can be an alternative to glasses or contact lenses.
If your cornea or lens isn't evenly and smoothly curved, light rays aren't refracted properly, and you have a refractive error. Farsightedness occurs when your eyeball is shorter than normal or your cornea is curved too little.
Corneal and refractive surgery. In: Kanski's Clinical Ophthalmology: A Systematic Approach. 9th ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed Sept. 10, 2020. Keep your eyes healthy.
Astigmatism is a type of refractive error. Astigmatism occurs when the cornea or lens is curved more steeply in one direction than in another. You have corneal astigmatism if your cornea has mismatched curves.
LASIK is a type of refractive eye surgery. In general, most people who have laser-assisted in situ keratomileusis (LASIK) eye surgery achieve 20/20 vision or better, which works well for most activities.
Nearsightedness is a refractive error. This problem happens when the shape or condition of the cornea — or the shape of the eye itself — causes an inaccurate focusing of the light passing into the eye.
Symptoms. Symptoms of cataracts include: Clouded, blurred or dim vision. Trouble seeing at night. Sensitivity to light and glare. Need for brighter light for reading and other activities.
The standard goal of treating nearsightedness is to improve vision by helping focus light on your retina with corrective lenses or refractive surgery. Managing nearsightedness also includes regular monitoring for complications of the condition, including glaucoma, cataracts and retinal detachment.