Ophthalmologic apparatus

Details Ophthalmologic apparatus Ophthalmologic apparatus

2007-12-27

2009-06-02

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S205000, C351S208000

Reexamination Certificate

active

07540614

ABSTRACT:
An ophthalmologic apparatus includes an imaging system that illuminates a retina of an eye, and images the retina of the eye based on reflective luminous flux from the retina, an aberration measurement part that measures optical aberration of the eye, an aberration compensation device disposed in the imaging system to compensate the optical aberration of the eye based on a signal from the aberration measurement part, a first focusing device disposed in an optical path of the imaging system to perform focusing of the image of the retina of the eye according to a refractive property of the eye, and a second focusing device disposed in the optical path of the imaging system to compensate infinitesimal spherical aberration generated by the aberration compensation device after adjustment by the first focusing device.

REFERENCES:
patent: 2002/0159029 (2002-10-01), Ross et al.
patent: 2003/0053028 (2003-03-01), Wirth
patent: 2005/0083430 (2005-04-01), Hirasawa et al.
patent: 2005/0207037 (2005-09-01), Minegishi
patent: 2005-221579 (2005-08-01), None
Extended European Search Report dated May 30, 2008 issued in EP Application No. 07025133.5-2319.

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