Features:Image fusion: With 6 pieces of red and green vectograms, you can improve your autonomous movement of image fusion ability, whether gathering or spreading.Wide use: vectograms of low vision suitable for disinhibition training, which can be used for monocular inhibition, fusion disorder and stereopsis. Improve stereopsis: low vision test red green chart can improve stereopsis and increase the range of orthofusion images in binocular vision.Specification:Material: PVCSuitable for: Patients with exoblique, fusion disorders, stereoscopic vision disorders, and monocular depressionHow to use:1. The trainer wears red and green glasses (green left and red right), those who have glasses should wear corrective glasses first and then red and green glasses, place the vector image on the inclined stand, 40 cm away from the eyes, which which requires bright light. and then look at the pattern.2. The right eye will see the green part of the pattern more clearly through the red mirror, and the left eye will see the red part of the pattern more clearly through the green mirror. When the two eyes look together, the red and green images seen by the two eyes should merge into a single image.3. Adjust the focus of the line of sight (with the eye's feeling of seeing), so that the image is merged into a pattern, maintain the fusion state for more than 10 seconds, pay attention to the fusion of the pattern, it will See the pattern has a floating and 3D feel. Look away for a few seconds and then come back and look. Blend again for more than 10 seconds and repeat 10 times. Packing List:6 x Fixed Vectograms1 x Interference Film1 x Guide Stick1 x Red Green Glasses