Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-05-30
1999-02-02
Manuel, George
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
A61B 300
Patent
active
058672494
ABSTRACT:
The present invention relates to an ophthalmological analyzer, and an object of the present invention is to provide an ophthalmological analyzer capable of making information on the shape of an optic nerve conform to the test results of an eyeground or a visual field to be tested by using a look-up table or the like. The ophthalmological analyzer comprises a recording unit for recording at least test data on subjects and information on shapes of optic nerves, a data input unit to be operated by a tester to enter characters and values for coordinates, and a controller which carries out an analytical operation on the basis of the test data on the subject and the information on the shape of an optic nerve, read from the recording unit. The controller is capable of selecting a piece of information to be used among a plurality of pieces of information on the shapes of optic nerves, of changing at least part of information on the shape of an optional optic nerve or of producing information on the shape of a new optic nerve.
REFERENCES:
patent: 5315329 (1994-05-01), McAdams
patent: 5374967 (1994-12-01), Hideshima et al.
Ichiki Hiroshi
Sugiyama Akihiro
Kabushiki Kaisha Topcon
Manuel George
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