Ophthalmic aberrometer for measuring aberrations in the eye

Details Ophthalmic aberrometer for measuring aberrations in the eye Ophthalmic aberrometer for measuring aberrations in the eye

2004-11-04

2008-09-02

Martinez, Joseph (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S211000

Reexamination Certificate

active

07419264

ABSTRACT:
A ophthalmic aberrometer uses a wavefront sensor aligned with an eye under examination through an optical path and a light source for introducing a light beam into the eye via the optical path, wherein the optical path has a reference through which the light beam passes before passing to an eye retina to form a reference spot on the retina, a focus dynamic range extender, and an astigmatism dynamic range extender positioned in the optical path between the reference and an eye under examination. The wavefront sensor is positioned to receive a wavefront reflected from the eye retina via the optical path.

REFERENCES:
patent: 6595642 (2003-07-01), Wirth
patent: WO 03/002024 (2003-01-01), None
Prieto et al., Analysis of the performance of the Hartmann-Shack sensor in the human eye, J. Opt. Soc. Am, vol. 17, No. 8, Aug. 2000.

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