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Optics Letters

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  • Vol. 28, Iss. 2 — Jan. 15, 2003
  • pp: 123–125

Holographic multivergence target for subjective measurement of the spherical power error of the human eye

Kodikullam V. Avudainayagam and Chitralekha S. Avudainayagam  »View Author Affiliations


Optics Letters, Vol. 28, Issue 2, pp. 123-125 (2003)
http://dx.doi.org/10.1364/OL.28.000123


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Abstract

We have fabricated a single hologram with which to determine the spherical refractive error of the human eye in the range 5 to -2.5 diopters (D) with an accuracy of ±0.25 D in a single step. The amplitude of accommodation is determined at the same time. The hologram is a record of 16 targets, each of which has a different image vergence in the range 5 to -2.5 D in steps of 0.5 D. This idea can be applied readily to any dioptric range. The measurement method is simple, fast, and reliable.

© 2003 Optical Society of America

OCIS Codes
(090.2890) Holography : Holographic optical elements
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(330.7310) Vision, color, and visual optics : Vision

Citation
Kodikullam V. Avudainayagam and Chitralekha S. Avudainayagam, "Holographic multivergence target for subjective measurement of the spherical power error of the human eye," Opt. Lett. 28, 123-125 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-2-123


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References

  1. W. J. Benjamin, Borish’s Clinical Refraction (Saunders, Philadelphia, Pa., 1998).
  2. P. Hariharan, Optical Holography (Cambridge U. Press, Cambridge, 1984).

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