A-scan: to measure depth of anterior chamber, thickness of crystalline humor
and length of optic axis, and to calculate curvature of artificial lens. There are
Four formulas: SRK-I, SRK-II, SCDK (especially for high myopia on eastern
people), and KORA (especially for high myopia on western people).
Specifications:
1) Working frequency of probe: 10MHz
2) Scan mode: mechanical sector 53 degrees
3) Measurement depth: 52mm
4) Transverse distinguishing rate of B type figure: ≤1.0mm
5) Lengthways distinguishing rate of B type figure: ≤0.5mm
6) Grayer degree: 256 degrees
7) Precision of A-scan: ±0.1mm
8) Power: AC220V ±10%, 50Hz ±2
9) Dimensions: 400 x 355 x 212mm
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