Description Features Shack-Hartmann based autorefraction for accurate refractive assessment. Anyone: Refracts babies, children, and adults, even wearing glasses No dark room required; the refractometer works in normal light conditions. Technical specifications Brix Range -10.0D to 10.0D, step 0.25D Cylinder Range -5.0D to 5.0, step 0.25D Axis of astigmatism 1° to 180°, 1° Data accuistion time <1s / eye Connections USB, Wifi, Blue tooth; easy data transfer to pc Single Gross Weight 6.61 lb. (3.0 Kg)
