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WAM-5500 جهاز قياس الانكسار والقرانية Refraction Measurement Sphere – 22~+22D (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 Corneal radius 5.0 ~ 10.0 mm (0.01 mm Step) Ref..