A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.

一种视眼的理疗器，它有作为物的凸透、筒、目，还有头套和透组，它于人们在距离上长眼戴在眼上，可以使被视物的像清楚、放大和变远。