Astigmatism is a very common vision problem. Despite having a somewhat scary-sounding name, astigmatism is not an eye disease — it's simply a refractive error like nearsightedness and farsightedness — and it can be corrected with eyeglasses, contact lenses and LASIK surgery. Astigmatism typica...
c. Refractive error (hyperopia, myopia, astigmatism), in any spherical equivalent of worse than -8.00 or +8.00 diopters; if ordinary spectacles cause discomfort by reason of ghost images or prismatic displacement; or if corrected by orthokeratology or keratorefractive surgery. However, for entrance ...