• This attachment fits on your Welch Allyn or Keeler transilluminator and supports Worth four dot testing using red/green goggles.
  • Compared to conventional Worth Four Dot Flashlights, the Worth Four Dot Attachment lets you avoid cumbersome flashlight units and avoids "D" cell batteries, which can become weak, leak and are not rechargeable.
  • Use your own Red/Green Anaglyph glasses.