This Chong Zuo Gong Open mono- Seed have the Visual Li Inspection Cha Machine of laser spacing, Mai Let have a laser Zhi Shi Mo Group And Ye crystal display Qi Fitness When Wei Zhi Let to have a light sensation Should Mo Group, laser Zhi Shi Mo Group With light sensation Should Mo Group Fen Do Even to connect the roads a Electricity plate of what LCD device before the Xia Fang Knot He mono- Legs frame LCD devices of its main LCD device. When Visual power Inspection looks into Machine Kai Move Electricity source Time logical Over Electricity road plates refer to from Move control lasers shows that mould Group penetrates a thunder laser beam towards forward downward Hair, the ground that is incident upon thunder laser beam in front of LCD device and form one of light Line, the standing place of Standard Shi Shou Measuring person Zheng Indeed, and the light and shade in the borders light sensation Should Mo Group The energy Enough Gan Should Ring, it returns Feed and feels the roads Should News Xi Zhi Electricity plate, Jin and Firefly acts of crystal display device of Tone drainings of brightness.本創作公開了一種具有雷射定距的視力檢查機,其主要在液晶顯示器的下方結合一腳架,液晶顯示器的前面埋設有一雷射指示模組,並在液晶顯示器適當位置設有一光感應模組,雷射指示模組與光感應模組分別連接於液晶顯示器的一電路板。當視力檢查機啟動電源時,通過電路板自動控制雷射指示模組朝向前下方發射一雷射光束,使雷射光束投射在液晶顯示器前方的地面而形成一道光線,標示受測者正確的站立位置,而光感應模組則能夠感應環境的明暗,回饋感應訊息至電路板,進而調控液晶顯示器螢幕的亮度。10‧‧‧液晶顯示器11‧‧‧外殼111‧‧‧前邊框112‧‧‧背板113‧‧‧電路板固定架115‧‧‧第一開孔116‧‧‧第二開孔12‧‧‧液晶顯示面板13‧‧‧電路板14‧‧‧雷射指示模組15‧‧‧光感應模組16‧‧‧雷射固定架
