Bagolini Striated Glasses Test. 320 180 pixels 640 360 pixels 1280 720 pixels. Information from its description page there is shown below.
This is a file from the Wikimedia Commons. METHOD The Bagolini striated glass test consists of optically plano lenses with imperceptible parallel scratches that barely blur the environment but produce two perpendicular luminous stripes right eye stripe of 45 and left eye stripe of 135 when subjects with normal binocular vision view one light source. BAGOLINI STRIATED GLASSES 25.
It is mainly used in strabismus clinics.
Order yours online at Vision Express. A simple test is designed for stereopsis training in children based on two principles random dots and cylinder gratings. This is a file from the Wikimedia Commons. 320 180 pixels 640 360 pixels 1280 720 pixels.