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A keratometer, also known as a ophthalmometer, is a diagnostic instrument for measuring the curvature of the anterior surface of the cornea, particularly for assessing the extent and axis of astigmatism. It was invented by the German physiologist Hermann von Helmholtz in 1880, although an earlier model was developed in 1796 by Jesse Ramsden and Everard Home.

Model: K800B
Featured, Radius of curvature of the anterior corneal surface measurement. The machine is used by utilized to fit contact lenses and to monitor corneal changes produced through the wear of contactlenses. Keratometer are occasionally used to assist in the recognition of certain corneal abnormal..
Ex Tax:$998.00
Model: K300B
Featured, 1. JAVAL target guarantee the measurement. 2. The product is applied in measuring diopter on the surface of cornea and the axis and diopter of cornea astigmatism 3. it can measure the diopter of implanting lens assisted by A ultrasonic. 4. Stepless adjustable of targets intensity c..
Ex Tax:$1,450.00
Model: SW-100
Portable Auto keratometer  PK-100 Electronic and optical integration, ultra small corneal curvature tester, is mainly used to measure the corneal curvature radius and diopter, wireless output print data.   * Features : 1.It can observe the eye directly through the screen. 2..
Ex Tax:$1,800.00
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