| Description | The Worth 4 Dot Attachment fits on your WelchAllyn, Heine or Keeler transilluminator and supports Worth 4 Dot testing using any of our red/green glasses. Compared to conventional Flashlight versions the Worth 4 Dot Attachment lets you avoid | Worth 4 Dot with 955R Red/Green glasses is a test to determine the presence of binocular vision. Consists of a black background and four illuminated discs: two green, one red and one white. Test is useable at any distance. Patient wears red/green |