Comprehensive vision training system
The invention discloses a comprehensive vision training system. The comprehensive vision training system comprises a base plate, a support part, a cover, an optical lens set, a first reflector, a second reflector and a third reflector. A patient observes images of reading materials through an emerge...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a comprehensive vision training system. The comprehensive vision training system comprises a base plate, a support part, a cover, an optical lens set, a first reflector, a second reflector and a third reflector. A patient observes images of reading materials through an emergent ray opening, so that the patient can normally read and write visual objects in a long sight distance and in a good sitting posture; the patient observes the images of the reading materials through the upper part of the cover so as to get the distance vision capacity trained; the patient observes moving objects through the emergent ray opening, therefore, asthenopia brought by long-time reading and writing of the visual objects is relieved. Based on the primary cause of myopia due to asthenopia caused by short-distance reading and writing of visual objects, the comprehensive vision training system is adopted for comprehensively preventing and improving myopia in many ways; the system is low in cost and risk, has |
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