Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-07-18
1999-01-26
Dang, Hung Xuan
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351221, A61B 314
Patent
active
058643826
ABSTRACT:
An ophthalmic apparatus for analyzing a section of an anterior part of an eye providing an input device for inputting a photographed image data of corneal section which is cut optically by a slit light, an image memory for memorizing the image data of corneal section inputted by the input device, an image analyzing device for analyzing an optical density of the image of corneal section by processing the image data of corneal section memorized by the image memory, and a display device for displaying an analyzed result of the image analyzing device.
REFERENCES:
patent: 5202708 (1993-04-01), Sasaki et al.
patent: 5347331 (1994-09-01), Isogai et al.
patent: 5381194 (1995-01-01), Nishio et al.
patent: 5436679 (1995-07-01), Ohtsuka et al.
"Reproducibility of Data Obtained by a Newly Developed by a Newly Developed Anterior Eye Segment Analysis System, EAS-1000", by Yasuo Sakamoto et al. Ophthalmic Research, 1992; 24(suppl 1):10-20.
Hanaki Hirohiko
Soya Koichi
Dang Hung Xuan
Nidek Company, Ltd.
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