LED Insta-Line Quantum Vision Screeners use light emitting diodes (LED) to provide uniform illumination for standardizing testing. The increased efficiency of the bulbs and the included rechargeable battery permits testing in most locations. Controlled by radio frequency (RF) wireless remote. A power pack is included for recharging and use of the unit with or without the battery.

One person can administer a complete series of vision tests in less than 2 minutes. Ideal for ages 2 1/2 through adulthood. Used for testing visual acuity at 10 feet and for assessing muscle imbalance.

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