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IDENTIFYING THE SUCCESSFUL LOW VISION PATIENT
PSYCHOLOGICAL AND SOCIOLOGICAL FACTORS
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aberrations accommodation afocal American Optical ametropia ametropia correction angle angular magnification aperture Aphakia aspheric astigmatism Bausch & Lomb bifocal binocular vision blind chart chromatic aberration clip-on contact lenses convex lens Designs for Vision devices diopters entrance pupil exit pupil eye's entrance pupil factors Feinbloom field of view Figure fixation focusable formula frame Fresnel full field illumination controls inches increased large print lens diameter lens form lens power lens system located Loupes low vision aids low vision examination low vision patients microscopic lenses microscopic spectacles monocular nystagmus object distance ocular optical aids Optical Company partially-sighted plastic practitioner prescribed prescription primary focal plane problems Projection Magnifiers reading refractive relative distance magnification retinitis pigmentosa retinoscopy scotoma segment Selsi side shields specific spectacle lens spectacle plane stand magnifiers surface telescopic spectacle typoscope usually vertex power vision loss visor visual acuity visual field