Large-Aperture Automatic Focimeter for the Measurement of Optical Power and Other Optical Characteristics of Ophthalmic Lenses
Applied Optics, Vol. 41, Issue 28, pp. 5997-6005 (2002)
http://dx.doi.org/10.1364/AO.41.005997
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Abstract
We propose an optical apparatus enabling the measurement of spherical power, cylindrical power, and optical center coordinates of ophthalmic lenses. The main advantage of this new focimeter is to provide a full bidimensional mapping of the characteristics of ophthalmic glasses. This is made possible thanks to the use of a large-area and high-resolution position-sensitive detector. We describe the measurement principle and present some typical mappings, particularly for progressive lenses. We then discuss the advantages in terms of speed and versatility of such a focimeter for the measurement of complex lens mappings.
© 2002 Optical Society of America
OCIS Codes
(040.5160) Detectors : Photodetectors
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
Citation
Kondo Gnanvo, Zong Yan Wu, Jean-Louis de Bougrenet de la Tocnaye, and Liren Liu, "Large-Aperture Automatic Focimeter for the Measurement of Optical Power and Other Optical Characteristics of Ophthalmic Lenses," Appl. Opt. 41, 5997-6005 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-28-5997
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