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.
一种防治近视眼的理疗器，它有作
的凸透、筒、目，还有头套
透组，它用于人们在近
离上长时间用眼时戴在眼上，可以使被视的像清楚、放
远。
理疗法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.
一种防治近视眼的理疗器，它有作的凸透、筒、目，还有头套透组，它用于人们在近离上长时间用眼时戴在眼上，可以使被视的像清楚、放远。
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