YZ38 Keratometer
Description:
The product is used to measure the diopter on the surface of the cornea, as well as the axis and diopter of corneal astigmatism. It can also measure the diopter of implanted lenses with the assistance of A-scan ultrasound.
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Specifications |
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Cursor size |
18mm ~ 24mm |
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Distance between cursor and eye under test |
175mm |
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Objective magnification |
1.2× |
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Total magnification |
18× |
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Corneal curvature -- Radius measurement range |
5.5mm ~ 11mm |
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-- Radius interval |
0.02mm |
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-- Luminsity measurement range |
30 ~ 60KD |
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-- Diopter measurement interval |
0.25KD |
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The effective diameter of the minimum surface |
r = 5.5mm(Φ1.65mm) |
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Adjustable Haidingers Brush |
r = 7.5mm(Φ2.26mm) |
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Coruscation from |
r = 11mm(Φ3.36mm) |
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Corneal meridian axis position -- Measurement range |
0° ~ 180° |
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-- Measure the grid value |
5° |
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Move back and forth |
90mm |
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Move side to side |
100mm |
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Miggle side to side,bank and forth |
15mm |
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Move up and down |
30mm |
