BAT Brightness Acuity Tester

  • Description
  • Information

A recognized industry-standard glare testing device, the Marco BAT is a simple hand-held device that conveniently measures the effects of glare without leaving the exam room. The modular, solid-state design accommodates most standard rechargeable handles, with recharging easily accomplished via an instrument stand well, or standard desk-top charger.  The state-of-the-art LED Background Illuminator provides a better, more efficient light source.


  • Three variable light intensity settings simulate various glare conditions
  • Evaluates tinted lenses, sunglasses, and anti-reflectives to quantify improvement in glare disorders
  • Effectively evaluates Macular photo stress testing
  • Specifications
  • Brochures
  • Light output: HIGH = 400 foot-lamberts MEDIUM = 100 foot-lamberts LOW = 12 foot-lamberts
  • Power Input: 3.5VDC 750ma
  • Size: 5” H X 2.5” W X 2.5” D (128mm H X 64mm W X 64mm D)
  • Weight: 0.5 lb. (.23 kg) (With WA battery handle 17.5oz, 1lb 1.5oz, 496g)
  • Standard Accessories: BAT head, instruction manual, warranty card