Product Name: 1.499/1.56/1.60 Bifocval Curve-Top lens
Diameter: 70/28mm
ADD POWER RANGE OF CURVE-TOP BIFOCAL LENS
SPH | ADD |
+1.00 | +1.25 | +1.50 | +1.75 | +2.00 | +2.25 | +2.50 | +2.75 | +3.00 |
-2.00 |
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-1.75 |
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-1.50 |
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-1.25 |
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-1.00 |
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-0.75 |
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| 1.499ROUND TOP 70/28mm |
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-0.25 |
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0.00 |
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+0.25 |
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+0.50 |
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+0.75 |
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+1.00 |
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+1.25 |
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+1.50 |
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+1.75 |
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+2.00 |
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+2.25 |
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+2.50 |
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+2.75 |
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+3.00 |
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THE SPECIFICATION OF 70/28MM CURVE-TOP BIFOCAL LENSES
POWER | CT/ET | Front Curve | Rear Curve |
-0.25/ADD+1.00~+3.00 | 2.1±0.2 | 5.91 | -6.19 |
-0.50/ADD+1.00~+3.00 | 2.1±0.2 | 5.91 | -6.46 |
-0.75/ADD+1.00~+3.00 | 2.1±0.2 | 5.91 | -6.74 |
-1.00/ADD+1.00~+3.00 | 2.1±0.2 | 5.91 | -7.01 |
-1.25/ADD+1.00~+3.00 | 2.1±0.2 | 4.05 | -5.43 |
-1.50/ADD+1.00~+3.00 | 2.1±0.2 | 4.05 | -5.7 |
-1.75/ADD+1.00~+3.00 | 2.1±0.2 | 4.05 | -5.98 |
-2.00/ADD+1.00~+3.00 | 2.1±0.2 | 4.05 | -6.25 |
POWER | CT/ET | Front Curve | Rear Curve |
0.00/ADD+1.00~+3.00 | 2.30/2.3 | 5.91 | -5.91 |
+0.25/ADD+1.00~+3.00 | 2.42/1.8 | 5.91 | -5.65 |
+0.50/ADD+1.00~+3.00 | 2.65/1.8 | 5.91 | -5.39 |
+0.75/ADD+1.00~+3.00 | 3.00/1.6 | 5.91 | -5.13 |
+1.00/ADD+1.00~+3.00 | 3.10/1.6 | 5.91 | -4.87 |
+1.25/ADD+1.00~+3.00 | 3.07/1.4 | 5.91 | -4.61 |
+1.50/ADD+1.00~+3.00 | 3.42/1.4 | 5.91 | -4.35 |
+1.75/ADD+1.00~+3.00 | 3.70/1.4 | 5.91 | -4.09 |
+2.00/ADD+1.00~+3.00 | 3.93/1.4 | 5.91 | -3.83 |
+2.25/ADD+1.00~+3.00 | 3.90/1.0 | 5.91 | -3.57 |
+2.50/ADD+1.00~+3.00 | 4.37/1.0 | 5.91 | -3.31 |
+2.75/ADD+1.00~+3.00 | 4.65/1.0 | 5.91 | -3.05 |
+3.00/ADD+1.00~+3.00 | 5.42/1.0 | 5.91 | -2.79 |
