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

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Astigmatism is a common condition where the cornea or lens has an irregular shape, causing light to focus unevenly on the retina and resulting in blurry or distorted vision. This reduction in visual acuity can be corrected with glasses, contact lenses, or refractive surgery. Glaucoma, cataracts, macular degeneration, and corneal atrophy are all different conditions that can also affect vision but have different causes and treatments.

An Irregularity in Curvature in the Cornea or Lens, Called