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chengong Focusing Training Correction Sight isal Improve Training Tool, Waterproof Brock String, for Wacth Repair Watchmakers
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*Packaging of actual item may differ from photo shown
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About Chengong Focusing Training Correction Sight Isal
Feature:1. Helps improve convergence insufficiency and strength sight focusing. 2. Effectively promote convergence to corrects weak sight and strabismus. 3. Light weight and compact size is easy to use and carry outdoor. 4. Professional visual function correction training equipment. 5. Made of quality beads and line, durable and convenient to use. Spec: Condition: 100% Brand New Item Type:Visual Convergence Training Tool Material: Plastic Purpose: Visual correction training equipment Usage: Principle: Use natural light spectrum and retinal imaging, according to the position and angle of view of red, yellow and green light in retinal imaging. The physiological diplopia function of the simulated eye, the virtual human eye is relaxed at a distance, and the collection is used when looking close, which effectively exercises the power of the eyes at a distance and a distance, and improves the range and level of the distance and distance.It corrects the external oblique state, improves the headache and eye bloating symptoms caused by excessive use, relieves the eye fatigue and discomfort, and makes the eyes healthier and more comfortable Stage 1: 1. The order of the tricolor balls should always keep the distance between the green, the furthest end, the yellow, the middle, the red, the near ball and the ball at 15-25 cm 2. The end of the scatter ball is tied to the door handle (or one person holds it at the height of the door handle) 3. The trainer holds the other end of the right hand to the bridgeof the nose 4.·The yellow ball is 1 meter above the bridge of the nose and the child can look at the green ball at the same time and feel the yellow and red balls in the corner of the
