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measurement range Sph: | -25.00 ~ +25.00 D (VD = 12 mm) |
Vertex distance | 0.0, 12.0, 13.5, 15 mm |
Corneal astigmatism, D | 0.00 ~ -9.00 |
Cylinder, dpt | 0.00 ± 10.00 D |
Measurement step | 0.01 / 0.12 / 0.25 D |
Axis | 1 ~ 180° |