Eye chart T26

Choice of chart depending on patient type Literate or illiterate adults Children 2 models available Fly stereotest Butterfly stereotest Simple to set up and transport Fly stereotest The fly test (or Wirt's Stereotest) is an optometric test of relief vision. It is one of the most common tests to check for peripheral stereoscopy, especially in children. It is made up of two plates of polarized images to look at with the glasses provided: on the right the test plate of the fly and on the left the test plate of Wirth comprises a series of symbols spread over three lines of which only one is in relief on each line. It also includes a series of squares each comprising 4 circles, one of which must be perceived in relief Butterfly stereotest The stereo butterfly test is composed like the fly but with a butterfly image on the right. It enables relief perception for both gross stereopsis and fine depth perception. 2 plates of polarized images in a black booklet case Closed dimensions (LxH): 210 x 170mm Printing: black color 1 pair of glasses supplied with each test Accessories: possibility to order the glasses alone Class I Medical Device