G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 11/00 (2006.01) A61B 3/00 (2006.01) G01M 11/02 (2006.01)
Patent
CA 2358240
To display the difference in the Abbe number of an ocular optical lens using the area of a region and to facilitate visual understanding of the difference in the Abbe number. The Abbe number indicating the degree of chromatic aberration at each point of a spectacle lens is input and a region of comfortable vision marked out with and contained in a circle, an ellipse or a closed curve is obtained based on the input value. A plurality of the data are derived using a plurality of spectacle lenses having different Abbe numbers. On the same screen having the shape of a spectacle frame 80, a plurality of regions for comfortable vision 81 and 82 marked out with and contained in a circle, an ellipse or a closed curve 81a and 82a, respectively, are formed and the difference in the vision due to the difference in the Abbe number is evaluated from the area of the region.
Akiyama Hisanori
Qi Hua
Tanaka Norihisa
Yoda Toshiro
Hoya Corporation
Marks & Clerk
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