JP2503665C - - Google Patents
Info
- Publication number
- JP2503665C JP2503665C JP2503665C JP 2503665 C JP2503665 C JP 2503665C JP 2503665 C JP2503665 C JP 2503665C
- Authority
- JP
- Japan
- Prior art keywords
- curve
- cross
- distance
- radius
- curvature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000750 progressive Effects 0.000 claims description 37
- 230000000875 corresponding Effects 0.000 claims description 6
- 230000004438 eyesight Effects 0.000 description 9
- 230000004075 alteration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 201000009310 astigmatism Diseases 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 208000001491 Myopia Diseases 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000002093 peripheral Effects 0.000 description 3
- 230000003247 decreasing Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000003287 optical Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 208000010415 Low Vision Diseases 0.000 description 1
- 210000001331 Nose Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Family
ID=
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