Reflection microscope and method

Details Reflection microscope and method Reflection microscope and method

2005-07-06

2010-06-01

Sugarman, Scott J (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S221000, C359S368000

Reexamination Certificate

active

07726814

ABSTRACT:
An apparatus and a method for operating an endothelium reflection microscope. The apparatus includes an optical head, which comprises: (i) an illuminating system, (ii) a frontal eye observation optical system along a central channel in which an alignment-use light spot is received and imaged by a camera having a digital optical sensor, and (iii) an enlarged-imaging optical system for enlarged observation or photographing of the subject part by the digital camera. The apparatus further comprises a motor for operating the optical head, and a CPU controller for automatically controlling the motor, the illuminating system and the frontal eye observation optical system. The method comprises an endothelium image acquisition procedure in which the grey level inside a check area of the camera sensor is checked constantly during advancement along the Z-axis; when the grey level reaches a predetermined threshold value, a delay time (Δt) is triggered; and when the delay time (Δt) lapses, acquisition by the digital camera of one or more images of the endothelium is enabled.

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patent: WO 03015623 (2003-02-01), None

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