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Astigmatism means your eye is shaped more like a rugby ball than a football, so light is focused at more than 1 place in the eye. The main symptoms of astigmatism are: blurred vision; headaches; eye strain – you may notice this after concentrating for a long time, such as when using a computer
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Oct 1, 2024 · Normally, the cornea and lens at the front of the eye have an evenly round shape. This helps focus light rays sharply onto the retina so you can see clearly. With astigmatism, light rays do not refract (or bend) properly as they enter the front of the eye.
Nov 14, 2023 · Astigmatism is a type of visual problem called a 'refractive error', meaning there is a problem in the eye that prevents the incoming light rays from being focused correctly. The shape of the cornea at the front of the eye is not perfectly rounded but is curved, a little like a rugby ball.
Nov 29, 2023 · In an eye with astigmatism, the surface of the cornea is shaped more like the bottom of a spoon, where there are two different surface curves located 90 degrees apart. This is called an astigmatic or toric surface.
Compound hyperopic astigmatism – both focal lines are located behind the retina. Compound myopic astigmatism – both focal lines are located in front of the retina. Mixed astigmatism – focal lines are on both sides of the retina (straddling the retina).
Oct 23, 2024 · As light passes through the eye, the smooth curvature of the cornea and the lens bend light evenly to properly focus an image. Astigmatism occurs when the eye is shaped like an oval or egg. This irregular shape prevents light from focusing properly. It causes blurred or distorted vision.
Feb 10, 2023 · Astigmatism is a common eye condition in which an incorrectly curved cornea or lens causes blurred vision. Glasses or lenses can usually correct it, but some people may want laser surgery.
