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and low-resource environments
Perfect for both men and women
±1D to ±10D
Perform cup-to-disc measurements with precision
Digital PD Ruler model INS-11041
INS-11089 | Polarized Test Monitor Display spo-default and low-resource environmentsPolarized Test Monitor Display model INS 11089 Polarized Video Display is specially designed for testing polarization. After the equipment is powered on, screen display white without pictures. The device can then be heard playing, after putting the polarized sunglasses or the polarized frames in front of the device, the screen will display video, pictures. This method can identify polarized sunglasses true and false! This device can be used for