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The ESV has a convenient storage cabinet for safe keeping of additional charts when not in use.

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Good-Lite ESV3000 ETDRS Standardized Viewer

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The ESV3000 ETDRS Illuminated Cabinet contains patented internal calibration technology which automatically controls the standardized LEDs (light emitting diodes) output. This device is specifically designed for the rigorous lighting standards needed for clinical trials and vision research. When this lighting technology is combined with a universal standard power supply, the result is consistent standardized lighting that makes the ESV3000 the most accurate, easy to use tester evaluating ETDRS and LogMAR acuity during research. Simply turn on the device and with a push of a button, the ESV3000 automatically calibrates to a photopic light level of 85 cd/m2 , or a mesopic level of 3 cd/m2. These light levels are recommended by the National Academy of Sciences' Committee for Vision Testing Standards and are required by the FDA for ETDRS evaluation in clinical trials. Unlike previous illuminator cabinets which use “out-of-date” fluorescent bulbs, there is no warm up period and no requirement to replace the light source. The old fluorescent light bulbs have to be replaced every 2,000 hours, or once year, and new bulbs have to be “burned in” before use. For the ESV3000, the LEDs last up to 20+ years of normal use, never need replacement and require no burn-in period. Just plug in the ESV and it is ready to test. For use outside the US, the ESV3000 has a universal power supply that is easily adapted to 100V to 240V, unlike cabinets that use fluorescent bulbs, which require the use of 110V input voltage.

  • Standardized ETDRS testing is now a reality with photopic 85 cd/m2 or mesopic light levels 3 cd/m2.
  • ESV3000 is low maintenance with no bulbs to warm up, burn in or replace.
  • Move into the new age of standardization with the ESV3000.
  • Universal power supply.
  • Controlled by infrared wireless remote.
  • Chart storage in back.
  • Compatible with all existing high contrast (black) ETDRS charts.
More Information
Manufacturer Good-Lite
Brand Good-lite
Type of product Eye Chart Viewer Box
Packaging 1 Each
Product Count 1
Minimum Shipping latency 3
Weight 40.0000
Product Dimension UOM Inch
Returns Accepted Yes
Product Dimensions 24.75L X 3.75H X 25.63W
Shipping Dimensions 30L X 9H X 30W