Description Overview GAOTek portable auto refractometer is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds. Features Accurate based autorefraction for objective and accurate refractive assessment Refracts babies, children and adults, even wearing glasses or contact lenses Anywhere no dark room required, the refractometer works in normal light conditions Technical Specifications Sphere Range -10 D to 10 D Sphere Tolerence ±0.5D Cylinder Range -5D to 5D Step 0.25D Cylinder Tolerence ±0.5D Axis Of Astigmatism Range 1º to 180º Data Acquisition Time 1s/eye Iris Imaging yes Connections USB, WIFI, BLUE-TOOTH, easy data transfer to PC or printer Dimensions 7.99 in x 4.33 in x 1.96 in (203 mm x 110 mm x 50 mm) Net Weight 0.79 lb. (0.36 kg)
