Characterization of test lenses for calibration of focimeters

Year: 1999

Authors: Greco V., Molesini G.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: The problem of characterizing test lenses for the calibration of focimeters is analysed. The uncertainty budget is discussed in view of complying with ISO recommendations. The most relevant quantity to be measured is the radius of curvature of lens refracting surfaces. Practical considerations on the required measuring capabilities are given.


Volume: 10 (7)      Pages from: 583  to: 586

KeyWords: Focimeters; Ophthalmic power; Test lenses; Calibration; Optical metrology
DOI: 10.1088/0957-0233/10/7/302

Citations: 7
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