Fitting
& Verification
Dyer Chart for Base Curve Selection
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for easier reference when doing the practice exercises in this course.
| DYER
CHART FOR BASE CURVE SELECTION |
| Primary
Curve (Diopters) |
Base
Curve (Diopters)
|
|
|
|
0-050 |
0.62-1.00 |
1.25-2.00 |
2.25-3.00 |
| 40.00 |
40.25 |
40.50 |
40.75 |
41.00 |
| 40.25 |
40.50 |
40.75 |
41.00 |
41.25 |
| 40.50 |
40.75 |
41.00 |
41.25 |
41.50 |
| 40.75 |
41.00 |
41.25 |
41.50 |
41.75 |
| 41.00 |
41.25 |
41.50 |
41.75 |
42.00 |
| 41.25 |
41.50 |
41.75 |
42.00 |
42.25 |
| 41.50 |
41.75 |
42.00 |
42.25 |
42.50 |
| 41.75 |
42.00 |
42.25 |
42.50 |
42.75 |
| 42.00 |
42.25 |
42.50 |
42.75 |
43.00 |
| 42.25 |
42.50 |
42.75 |
43.00 |
43.25 |
| 42.50 |
42.75 |
43.00 |
43.25 |
43.50 |
| 42.75 |
43.00 |
43.25 |
43.50 |
43.75 |
| 43.00 |
43.25 |
43.50 |
43.75 |
44.00 |
| 43.25 |
43.50 |
43.75 |
44.00 |
44.25 |
| 43.50 |
43.75 |
44.00 |
44.25 |
44.50 |
| 43.75 |
44.00 |
44.25 |
44.50 |
44.75 |
| 44.00 |
44.25 |
44.50 |
44.75 |
45.00
|
| 44.25 |
44.50 |
44.75 |
45.00
|
45.25 |
| 44.50 |
44.75 |
45.00
|
45.25 |
45.50 |
| 44.75 |
45.00
|
45.25 |
45.50 |
45.75 |
|
45.00
|
45.25 |
45.50 |
45.75 |
46.00 |
| 45.25 |
45.50 |
45.75 |
46.00 |
46.25 |
| 45.50 |
45.75 |
46.00 |
46.25 |
46.50 |
| 45.75 |
46.00 |
46.25 |
46.50 |
46.75 |
| 46.00 |
46.25 |
46.50 |
46.75 |
47.00 |
| 46.25 |
46.50 |
46.75 |
47.00 |
47.25 |
| 46.50 |
46.75 |
47.00 |
47.25 |
47.50 |
| 46.75 |
47.00 |
47.25 |
47.50 |
47.75 |
| 47.00 |
47.25 |
47.50 |
47.75 |
48.00 |
| 47.25 |
47.50 |
47.75 |
48.00 |
48.25 |
| 47.50 |
47.75 |
48.00 |
48.25 |
48.50 |
| 47.75 |
48.00 |
48.25 |
48.50 |
48.75 |
| 48.00 |
48.25 |
48.50 |
48.75 |
49.00 |