Keratograph 4
Gold standard corneal topography – that’s what the Keratograph 4 is all about.
It ensures reliability when it comes to taking measurements, providing consultation and fitting contact lenses. The Keratograph accurate findings are something you can count on. The integrated keratometer and automatic measurement activation guarantee perfect reproducibility.
In this way the Keratograph 4 also meets highest clinical standards for such procedures as tear film assessment and qualitative cornea analysis. It stands out by virtue of its versatility.
Measurement range | 3 - 38 mm (0.1 - 1.5 in), 9 - 99 D |
Precision | ± 0.1 D |
Reproducibility | ± 0.1 D |
Number of rings | 22 |
Working distance | 80 mm |
Number of measuring points | 22 000 |
Camera | digital CCD camera |
Source of illumination | placido illumination: red 650 nm imaging illumination: blue 465 nm (UV-free) pupillometer illumination: infrared 880 nm |
Dimensions (W x D x H) | 275 x 320 - 400 x 490 - 517 mm |
Weight (Measuring head) | 2.3 kg (5.1 lbs) |
Weight (with base) | 5.3 kg (11.7 lbs) |
Power Consumption max. | 30 W |
Voltage | 100 - 240 V AC |
Frequency | 50 - 60 Hz |
Minimum PC requirements | Intel® Core™ i5, 1 TB HDD, 8 GB RAM, Windows® 7 - Windows® 10 |
Recommended screen resolution | 1920 x 1200 pixel |
In acc. with the Medical Device Directive 93/42/EEC
The OCULUS QM system is certified in accordance with ISO 13485 and (EU) 2017/745 (MDR).