An irregularity in curvature in the cornea or lens,called ________,causes a reduction in visual acuity.

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Astigmatism is a common refractive error in which the cornea or lens is irregularly shaped, causing light to focus unevenly on the retina and resulting in blurred or distorted vision. This can lead to a reduction in visual acuity. Glaucoma is a condition in which there is damage to the optic nerve, and can result in loss of peripheral vision. A cataract is a clouding of the lens inside the eye, which can also result in reduced visual acuity. Macular degeneration is a progressive disease that affects the center of the retina, causing loss of central vision. Cornela atrophy is not a recognized medical term.

An Irregularity in Curvature in the Cornea or Lens,called ________,Causes