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measurement range Sph: | -30.00 ~ +25.00 (VD =12mm) |
Axis | 0 ~ 180° |
Corneal astigmatism, D | 0.00 ~ - 15.00 |
Vertex distance | 0.0, 12.0, 13.5, 15.0 mm |
Measurement step | 0.12 / 0.25D |
Minimal pupil diameter, mm | 2 |