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- Dictionarya·stig·ma·tism/əˈstiɡməˌtizəm/
noun
- 1. a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus.
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1 day ago · Strong or severe refractive errors like astigmatism. A large difference in prescription strength needs between your eyes (anisometropia). Cornea or lens shape changes/differences. New corrective lenses (like eyeglasses or contacts), especially with bigger changes to how you see. Retinal changes and conditions
1 day ago · The Nearsightedness Epidemic Has Become a Global Health Issue. Myopia is projected to affect half of the world’s population by 2050. A new report says it needs to be countered by classifying it ...
5 days ago · Astigmatism is a common refractive error that occurs when the cornea (the clear front surface of the eye) or the lens inside the eye has an irregular shape. Instead of being perfectly round like a basketball, the cornea of someone with astigmatism may be shaped more like a football.
2 days ago · Corneal Abrasion. A corneal abrasion is a scrape on the surface of the cornea, which can cause vision to become suddenly blurry. It can be caused by something like a fingernail, dirt particles, or a ripped contact lens. The eye can also become red, painful, and sensitive to light.
5 days ago · Defining Optometrists and Ophthalmologists . What is an Optometrist? Optometrists are vital in maintaining regular eye health. They are healthcare professionals who provide primary vision care ranging from sight testing and correction to the diagnosis, treatment, and management of vision changes.
1 day ago · Myopia, also known as near-sightedness and short-sightedness, [5] is an eye disease [6][7][8] where light from distant objects focuses in front of, instead of on, the retina. [1][2][7] As a result, distant objects appear blurry while close objects appear normal. [1]
