2 Strabismus Correction Cards, Improve Visual Sense Waterproof Amblyopia Coated Paper Training Cards with Red and Green Bars

Feature: 1. Improve Eyesight: The cards can train binocular eyesight, improve the sense of vision, suitable for people with strabismus and amblyopia. 2. Strabismus Training: The visual sense training card can be used as a good tool for strabismus and amblyopia training, easy to use. 3. Perfect Size: The size of a single strabismus exercise card is 14 x 7 cm / 5.51 x 2.76 inch, lightweight, easy to hold and no fatigue. 4. Package Contents: A total of 2 amblyopia correction cards, simple and easy to use, persistent exercise can effectively improve visual function. 5. Coated Paper: Strabismus Improvement Cards are made of coated paper material, waterproof and dirt-proof, can be used for a long time. Specification: Item Type: Strabismus Training Cards Material: Coated Paper Single Sheet Size: Approx. 14 x 7 cm / 5.51 x 2.76 inch Usage: 1. Hold the card close to your nose with the smallest pattern near you. The left eye is the red side and the right eye is the blue side. 2. Look at the most distant large visual pattern on the map. At this time, the trainer feels that the large visual pattern is red and green mixed, while the medium visual pattern and small visual pattern are red and green, distributed on the left and right. 3. Look at the large, medium and small patterns alternately and hold the coalescence for 5 seconds. When the trainer focuses on one pattern, the other two patterns are red and green. Look back and forth between different patterns 10 times. 4. If the trainer experiences fixation difficulties, he can try the following methods: suggesting that the trainer’s sensory pattern is sic