OKN Strips can be used to elicit Optokinetic Nystagmus (OKN) for evaluation of neurological, otological or opthalmological disorders, includes a Red Desaturation mode and an Amsler grid for additional eye testing.
OKN Strips:Click the screen (or use the File menu Bar Controls) to cycle through speeds of the moving strips. Reverse the direction of the strips by using Switch Bar Direction in the Bar Controls menu.
Pinch or Zoom with two fingers, if you have a trackpad, to change the width of the strips. You can also use the File menu Bar Controls to increase and decrease the width of the strips.
Red Desaturation:Use the colored circle to perform a red desaturation test.
Amsler Grid:Use the Amsler grid to perform eye tests. The buttons on the top change color combinations of the grid.
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