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Overall dimensions, cm | 26х50х45 |
measurement range Sph: | -30.00 ~ +25.00D |
Vertex distance | 0.0, 12.0, 13.5, 15.0 mm |
Corneal astigmatism, D | 0.00 ~ -15 |
Cylinder, dpt | 0.00 ~ ±10 |
Measurement step | 0.12 / 0.25D |