Let’s talk Astigmatism! First thing… It is not contagious! Second, it is AN Astigmatism. Not A Stigmatism. Now ya know! 😜
Astigmatisms are common and are easily corrected with eyeglasses or contacts. When you look at an eyeglass prescription, you’ll see a sphere, which deals with the shape of the whole eye and where the lens inside your eye places the image. When you see a cylinder power, it is written based on the shape of your Cornea which is the clear dome that covers the iris and pupil. The cornea bends light as it travels through to the lens. If the cornea is misshapen, it makes the image hit the retina in two places, causing the image to be blurry. The spherical correction has more to do with depth perception and the cylinder has more to do with sharpening the images. Lastly, the only time your prescription will show an Axis on it is if you have an astigmatism. This is because the lens has to be set at a certain point to match the shape of the oval cornea.
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