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.
一种防治视的理疗器,它有作为物的凸透、筒、目,还有头套和透组,它用于人距离上长时间用时戴上,可以使被视物的像清楚、放大和变远。
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.
一种防治视的理疗器,它有作为物的凸透、筒、目,还有头套和透组,它用于人距离上长时间用时戴上,可以使被视物的像清楚、放大和变远。
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