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1. 小児における屈折異常refractive errors in children [show details]
…compared with the control group (30 versus 40 percent) . Hyperopia (also termed hypermetropia or farsightedness) is the opposite of myopia. Hyperopia occurs when the refracting power of the eye is too weak …
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]
…concave surface which reduces the excessive focusing power of the eye optical system Hyperopia ("farsightedness") is a refractive disorder in which the axial length of the eye is too short or the power …
3. レーザー屈折矯正手術laser refractive surgery [show details]
…objects cannot be seen clearly because light rays are focused in front of the retina In hyperopia (farsightedness), the cornea and lens are too weak for the length of the globe. As a result, light rays …
4. 閉塞隅角緑内障angle closure glaucoma [show details]
…angle-closure glaucoma include : Family history of angle-closure glaucoma; Age >60 years; Female; Hyperopia (farsightedness) Certain medications Pseudoexfoliation (a condition in which abnormal flaky deposits on…
5. コンタクトレンズの概要overview of contact lenses [show details]
…worldwide . Soft lenses are used to correct a variety of refractive errors, including myopia, hyperopia, astigmatism (toric lenses), and presbyopia (multifocal lenses). Not every prescription is available …