Characterization of test lenses for calibration of focimeters

Common ophthalmic lenses are simple spherical lenses which are only characterized within the first-order approximation of geometrical optics. First-order analysis provides the evaluation of focal length and related parameters. The back focal length serves to define the ophthalmic power and is measur...

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Veröffentlicht in:	Measurement science & technology 1999-07, Vol.10 (7), p.583-586
Hauptverfasser:	Greco, V, Molesini, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Anatomy and optics of eye Biological and medical sciences Exact sciences and technology Eye and associated structures. Visual pathways and centers. Vision Fundamental and applied biological sciences. Psychology Fundamental areas of phenomenology (including applications) Instruments, apparatus, components and techniques common to several branches of physics and astronomy Lenses, prisms and mirrors Optical elements, devices, and systems Optical instruments, equipment and techniques Optics Physics Vertebrates: nervous system and sense organs
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