... bio-magnets, Tourmaline & velvet, help prvent myopia & other eye diseases, specially benefit for forehead, eyes, nose etc.Main ... 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 ... magcard and the like.5. Please consult doctor if necessary.