Is Oxfam Eye Health Therapeutic Apparatus a pyramid scheme?

It is not a pyramid scheme, but a second-class medical device in the registered country. But this does not mean that this can cure myopia. With this, the naked eye vision will be improved for a while, which is caused by the fuzzy adaptation of the brain. In fact, this high-intensity training has enhanced the damage to the eyes. The specific principle is explained in "Vision Rehabilitation Fraud: How to Improve Your Vision". My child has used it, and his myopia is 50 degrees. He started using it at 25 degrees. After using it for two months, both eyes have grown, and the growth rate is faster than before.