Ophthalmic Lenses; Their History, Theory, and Application |
Common terms and phrases
amount of prism angle anisometropic aphakic aphakic eye astigmatism axis barium crown base curve batch Bausch & Lomb bifocal lenses bifocal segment cataract cataract lenses concave cornea corrected countersink crown glass curvature cylinder dependent segments dioptric power distance lens distance portion distance vision dividing line flint glass focal length fused bifocal GREEN BLUE VIOLET grinding Henry Lomb INFRA-RED inset Kryptok lens powers light LOMB OPTICAL major lens melting meniscus ment meridian modern bifocals Nokrome OPHTHALMIC GLASS ophthalmic lenses optical center optical glass ORANGE YELLOW GREEN Orthogon bifocals Panoptik patient PERCENT TRANSMISSION plano prescription prism base prism diopters prism power prismatic effect reading addition reading field reading point reading portion reading segment refractive index result single vision lenses spectacles SPECTRAL TRANSMISSION CHART spherical sphero test lens thickness tical tilting tion true power Ultex vertex refraction Vertometer VISIBLE SPECTRUM WAVELENGTH WAVELENGTH IN MILLIMICRONS YELLOW GREEN BLUE