Proposed interferometric keratometer measures shapes of corneas without touching them. Used to test strongly aspherical optics. Resembling present commercial lens-testing interferometers, generates interferograms representative of deviation of surfaces under test from sphericity. Such interferograms used to generate contour maps of surfaces. Measures corneal topography to diameters as large as 12 mm.
Two-Wavelength Interferometric Keratometer
NASA Tech Briefs ; 15 , 2
1991-02-01
Miscellaneous
No indication
English
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