1. Improve Vision: Amblyopia vision training reading aids can help correct amblyopia ,Improve simultaneous perception and fusion vision ability.2. With Red Green Glasses: The green lens can see the text in the green column, and the red can not see it. The red lens can see the text in the green column, but the green can not see it.3. Widely Usd: Reading aids is suitable for myopia, color vision disorder and amblyopia, giving the eyes an excellent visual experience and meeting the needs of different people.4. Professional Design: Developed by professionals, these cards and images are designed to maximize effectiveness and provide targeted training.5. Convenient and Portable: Red green cards are small and portable, making them easy to add consistent eye training to your daily routine, no matter where you go.Specification:Item Type: Red Green Training Reading Aids Material: ABSUses: Helps correct amblyopia ,Improve simultaneous perception and fusion vision ability. How to Use:1. The training method is 40cm away from the eyes, the reading unit is placed on the alphabet or vision card (paper with black letters on a white background can also be used). 2. Glasses, look at the letters under the red and green bars with both eyes, see clearly in 3‑5 seconds, and can read for a long time. packing list:5 x Training Card2 x Red Green Training Tube1 x Red Green Glasses