英: lenticular astigmatism

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1. 小児における屈折異常refractive errors in children [show details]
…convex spherical lens Astigmatism occurs when the optical system of the eye, particularly the cornea, is not perfectly spherical Astigmatism is corrected with a cylindrical lens Astigmatism should be corrected …
2. 成人における視覚障害：屈折障害と老視visual impairment in adults refractive disorders and presbyopia [show details]
… indicates a concave lens; a plus number indicates a convex lens. The second number denotes the cylinder, which corrects any astigmatic component. The "x" that follows the astigmatism power denotes the axis …
3. 小児における水晶体偏位（水晶体脱臼）ectopia lentis dislocated lens in children [show details]
…optical system is not perfectly spherical, and astigmatism results. If the lens shifts off center, both myopia and astigmatism may result. Myopic astigmatism is best demonstrated with streak retinoscopy …
4. コンタクトレンズの概要overview of contact lenses [show details]
… protect the cornea from irritation due to excessive movement of the RGP lens. Soft lenses for keratoconus or irregular astigmatism – These specially designed lenses are custom-made with greater center thickness…
5. 円錐角膜keratoconus [show details]
…corticosteroids. A more common complication of penetrating keratoplasty is astigmatism. Treatment options for astigmatism include contact lens correction, refractive surgery, relaxing incisions, wedge resection …