Autorefracto-/keratometer
KR-800s Topcon- Measure near and distance vision objectively and subjectively - Eye charts of 0.1 to 1.2 - Assess on various distances reading ability - Compare different acuities: subjectively, with and without visual aid - Assess before and after cataract surgery visual acuity - Test glare, contrast and grating
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 ARK-1 Nidek Oculus- Color LCD Screen swiveled - One-hand operation - Automatic centering in Y-direction - Measurement trigger automatically - Measurement window control automatically - Each measurement with reliability indication - Measure measurement of central and peripheral radii after sagittal measurement principle - PD measurement of the cornea and the pupil diameter - Smallest measurable pupil diameter: 2 mm - Built-in printer, paper cut automatically - Measurement of photopen and mesopen pupil diameter
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ARK-1s Nidek Oculus- Distinguish day and night refraction with two measurement areas - Visual Acuity Test (distance and near) to 1.25 visual acuity and spherical fine adjustment - Contrast and Visual Acuity Test under glare - Amplitude of accommodation with objective measurement - Visualize opacities by retro-illumination
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