Telephone: (01842) 766004
The Evans Near Vision Disparity Unit combines a comprehensive range of tests for refraction and ocular motor investigations at near. The unit is supplied with polarisation set at 90 degrees x 180 degrees (for UK market) and 45 degrees x 135 degrees (for export or use with a refractor head). The unit is rechargeable, incorporating the latest charging circuitry and is recharged via a plug-in power supply. The new casing has a much smaller footprint to previous models, standing upright on the desktop. A retractable measuring tape is incorporated within the unit.
The tests incorporated in the unit are as follows:
Cat. No. 660 Evans Near Vision Unit