بحث

Model GR-3500KA GR-3300K Refraction Measurement Sphere -22~+30D (VD = 0mm) Sphere -30~+22D (VD = 12mm)(0.01/0.12/0.25D Step) Cylinder 0~ ±10D (0.01/0.12/0.25D Step) Axis angle 0~180 (1 Step) Measurement Of Corneal Radius ..