... 1,300GS bio-magnets, Tourmaline & velvet, help prvent myopia & other eye diseases, specially benefit for forehead, eyes, nose etc.Main Material ... relax eyes.4.Improve ocular blood circulation.5.Release eye fatigue and ease pain.6.Diminish inflammation.7.Multi-function ... helps prevent myopia and other eye diseases.8.Perfect for students, teachers, IT experts and ...