model bl-8001 keratometer was developed under the guidance of optometry center. this instrument can give a precise examination of the radius of ...Shanghai Bolan Optical-Electric Co. Limited
Coincides focusing system. 15x wide-angle piece. Positive measurements to 0. 02mm accuracy. One position instrument. Measures both meridians without ...Eto (T) Ltd
Coincidence focusing system. Positive measurements to 0.02mm accuracy. 2. One-position instruments. Measure both meridians without change optical ...VIEWLIGHT USA
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