VD Conversion
|
Vertex Distance Conversion (At 12mm.)
|
||
|
Spectacle Lens Correction |
Minus ( - )
|
Plus ( + )
|
|
4.00
|
3.87
|
4.25
|
|
4.50
|
4.25
|
4.75
|
|
5.00
|
4.75
|
5.25
|
|
5.50
|
5.12
|
5.87
|
|
6.00
|
5.62
|
6.50
|
|
6.50
|
6.00
|
7.00
|
|
7.00
|
6.50
|
7.62
|
|
7.50
|
6.87
|
8.25
|
|
8.00
|
7.25
|
8.87
|
|
8.50
|
7.75
|
9.50
|
|
9.00
|
8.12
|
10.12
|
|
9.50
|
8.50
|
10.75
|
|
10.00
|
8.87
|
11.37
|
|
10.50
|
9.37
|
12.00
|
| 11.00 |
9.27
|
12.75
|
| 11.50 |
10.12
|
13.37
|
| 12.00 | 10.50 | 14.00 |
| 12.50 | 10.87 | 14.75 |
| 13.00 | 11.25 | 15.50 |
| 13.50 | 11.62 | 16.12 |
| 14.00 | 12.00 | 16.75 |
| 14.50 | 12.37 | 17.50 |
| 15.00 | 12.75 | 18.25 |
| 15.50 | 13.00 | 19.00 |
| 16.00 | 13.50 | 19.75 |
| 16.50 | 13.75 | 20.50 |
| 17.00 | 14.12 | 21.50 |
| 17.50 | 14.50 | 22.25 |
| 18.00 | 14.75 | 23.00 |
| 18.50 | 15.12 | 23.75 |
| 19.00 | 15.50 | 24.75 |
| 19.50 | 15.81 | 25.50 |
| 20.00 | 16.11 | 26.12 |






