眼睛店用镜子反光看视力表这样测试出来的准确吗？ 测视力表的距离
\u53bb\u773c\u955c\u5e97\u914d\u773c\u955c\u6d4b\u8bd5\u89c6\u529b\u662f\u4ece\u955c\u5b50\u91cc\u770b\u6d4b\u8bd5\u8868,\u6709\u7684\u5374\u662f\u76f4\u63a5\u9762\u5411\u89c6\u529b\u8868,\u5230\u5e95\u54ea\u4e2a\u662f\u6b63\u786e\u7684\uff1f\u90fd\u6b63\u786e\uff0c\u770b\u7a7a\u95f4\u5927\u5c0f\uff0c\u6807\u51c6\u89c6\u529b\u8868\u9700\u8981\u8ddd\u79bb5\u7c73\uff0c\u4ece\u955c\u5b50\u91cc\u770b\u80fd\u591f\u8282\u7701\u4e00\u534a\u7684\u8ddd\u79bb\uff0c\u53ea\u9700\u89812.5\u7c73\u3002
\u6d4b\u91cf\u89c6\u529b\u7684\u65f6\u5019\uff0c\u88ab\u6d4b\u8005\u8ddd\u79bb\u89c6\u529b\u8868\u7684\u8ddd\u79bb\u662f5m\u3002
\u88ab\u68c0\u8005\u7684\u89c6\u7ebf\u8981\u4e0e1.0\u7684\u4e00\u884c\u5e73\u884c\uff0c\u8ddd\u79bb\u89c6\u529b\u88685\u7c73\uff0c\u89c6\u529b\u8868\u4e0e\u88ab\u68c0\u67e5\u8005\u7684\u8ddd\u79bb\u5fc5\u987b\u6b63\u786e\u56fa\u5b9a\uff0c\u60a3\u8005\u8ddd\u8868\u4e3a5\u7c73\u3002\u5982\u5ba4\u5185\u8ddd\u79bb\u4e0d\u591f5\u7c73\u957f\u65f6\uff0c\u5219\u5e94\u57282.5\u7c73\u5904\u653e\u7f6e\u5e73\u9762\u955c\u6765\u53cd\u5c04\u89c6\u529b\u8868\u3002\u8fdb\u884c\u68c0\u6d4b\u5148\u906e\u76d6\u4e00\u773c\uff0c\u5355\u773c\u81ea\u4e0a\u800c\u4e0b\u8fa8\u8ba4\u201cE\u201d\u5b57\u7f3a\u53e3\u65b9\u5411\uff0c\u76f4\u5230\u4e0d\u80fd\u8fa8\u8ba4\u4e3a\u6b62\uff0c\u8bb0\u5f55\u4e0b\u6765\u5373\u53ef\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u76ee\u524d\u6240\u7528\u89c6\u529b\u8868\u4e3b\u8981\u68c0\u67e5\u7684\u662f\u4e2d\u5fc3\u89c6\u529b\uff0c\u5373\u68c0\u67e5\u89c6\u7f51\u819c\u9ec4\u6591\u533a\u4e2d\u5fc3\u51f9\u89c6\u654f\u5ea6\uff0c\u4ece\u800c\u53ef\u7b80\u5355\u8fc5\u901f\u5730\u4e86\u89e3\u5230\u89c6\u529f\u80fd\u7684\u521d\u6b65\u60c5\u51b5\uff0c\u5bf9\u773c\u75c5\u7684\u4e34\u5e8a\u8bca\u65ad\u6cbb\u7597\u90fd\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002\u68c0\u67e5\u89c6\u529b\u4e00\u822c\u5206\u4e3a\u8fdc\u89c6\u529b\u548c\u8fd1\u89c6\u529b\u4e24\u7c7b\uff0c\u8fdc\u89c6\u529b\u591a\u91c7\u7528\u56fd\u9645\u6807\u51c6\u89c6\u529b\u8868\uff0c\u6b64\u8868\u4e3a12\u884c\u5927\u5c0f\u4e0d\u540c\u5f00\u53e3\u65b9\u5411\u5404\u5f02\u7684\u201cE\u201d\u5b57\u6240\u7ec4\u6210\uff1b\u6d4b\u91cf\u4ece0.1-1.5\uff08\u6216\u4ece4.0-5.2\uff09\uff1b\u6bcf\u884c\u6709\u6807\u53f7.
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u89c6\u529b\u6d4b\u8bd5\u8868
绛旓細璺濈瀵规槸娌℃湁闂鐨勶紝甯歌浼犵粺鐨勬柟娉曞氨鏄闀滃瓙鍙嶅厜锛屾晥鏋滀竴鏍峰噯纭
绛旓細瑙嗗姏琛ㄤ笌琚鏌ヨ呯殑璺濈蹇呴』姝ｇ‘鍥哄畾锛屾偅鑰呰窛琛ㄤ负5绫炽傚瀹ゅ唴璺濈涓嶅5绫抽暱鏃讹紝鍒欏簲鍦2.5绫虫斁缃钩闈㈤暅鏉鍙嶅皠瑙嗗姏琛銆娴嬭瘯鏂规硶锛氳繘琛屾娴嬪厛閬洊涓鐪硷紝鍗曠溂鑷笂鑰屼笅杈ㄨ鈥淓鈥濆瓧缂哄彛鏂瑰悜锛岀洿鍒颁笉鑳借鲸璁や负姝紝璁板綍涓嬫潵鍗冲彲銆傛甯歌鍔涘簲鍦1.0浠ヤ笂銆傝嫢琚祴璇曡0.1涔熺湅涓嶅埌鏃讹紝瑕佸悜鍓嶇Щ鍔紝鐩村埌鑳界湅鍒0...
绛旓細浣犲ソ锛佷竴鑸槸5绫崇殑璺濈銆備絾鏉′欢涓嶅厑璁哥殑鎯呭喌涓嬶紝鍙互鐢ㄩ暅瀛愬弽鍏鐨勭殑鎶樺皠锛屼篃灏辨槸闀滃瓙璺瑙嗗姏琛2.5绫虫槗鎶樺皠灏辨槸5绫炽傜洰鍓嶆墍鐢ㄨ鍔涜〃涓昏妫鏌ョ殑鏄腑蹇冭鍔涳紝鍗虫鏌ヨ缃戣啘榛勬枒鍖轰腑蹇冨嚬瑙嗘晱搴︼紝浠庤屽彲绠鍗曡繀閫熷湴浜嗚В鍒拌鍔熻兘鐨勫垵姝ユ儏鍐碉紝瀵圭溂鐥呯殑涓村簥璇婃柇娌荤枟閮芥湁閲嶈鐨勬剰涔夈傛鏌ヨ鍔涗竴鑸垎涓鸿繙瑙嗗姏鍜岃繎瑙嗗姏...
绛旓細鏍囧噯瑙嗗姏琛ㄩ渶瑕佸湪浜旂背杩滅殑璺濈鐪嬫祴瑙嗗姏锛屽鏋滈氳繃闀滈潰鍙嶅皠鏉ョ湅锛岃鍔涙晥鏋滄槸涓鏍风殑锛屾病鏈変綘璇寸殑閭ｇ涓嶅噯纭箣璇达紝濡傛灉灞嬮噷鐨勭┖闂磋窛绂讳笉澶燂紝閫氳繃闀滈潰鍙嶅皠灏卞彲浠ヨВ鍐充簡锛屾晥鏋滄槸涓鏍风殑銆傛墍鐢ㄨ鍔涜〃涓昏妫鏌ョ殑鏄腑蹇冭鍔涳紝鍗虫鏌ヨ缃戣啘榛勬枒鍖轰腑蹇冨嚬瑙嗘晱搴︼紝浠庤屽彲绠鍗曡繀閫熷湴浜嗚В鍒拌鍔熻兘鐨勫垵姝ユ儏鍐碉紝瀵圭溂鐥呯殑涓...
绛旓細娴嬭鍔瑕佹眰绂5绫炽傚浗鍐呮爣鍑嗙殑妫娴嬫槸璺濈瑙嗗姏琛5m杩溿傚尰闄㈤噷鎴鐪奸暅搴缁忓父鐪嬭瑙嗗姏琛ㄥ闈㈡斁闀滃瓙锛屽潗鍦ㄨ鍔涜〃涓嬮潰锛岄暅瀛愭斁鍦ㄨ窛绂讳汉2.5m鐨勫湴鏂规娴嬭鍔涳紝鏄閫氳繃闀滃瓙鐨勫弽灏勶紝閫氳繃鍙嶅皠浠ュ悗锛屽疄闄呰窛绂绘槸5m锛屾墍浠ユ祴杩滆鍔涙椂锛岀敤鐨勬槸5m鏍囧噯鐨勬娴嬫柟娉曘傛祴瑙嗗姏鐨勬敞鎰忎簨椤广1銆佸崟鐪煎湪妫鏌ヨ鍔涙椂闇瑕佷娇鐢ㄩ伄鏉垮皢涓嶆鏌...
绛旓細閰鐪奸暅鐨勬椂鍊欏彨浣犲線闀滃瓙閲岄潰鐨勪竴鐪嬶紝杩欐槸鍦ㄧ嫮绐勭┖闂撮噷闈㈢殑涓绉嶆姌涓殑鍔炴硶锛屽洜涓洪暅瀛愪腑鐨勬垚鍍忔槸澶у皬涓鏍疯窛绂荤浉绛夌殑锛屽洜姝わ紝瑕佹眰浜旂背鐨勮瘽灏卞彲浠ュ湪2.5绫冲灏卞彲浠ヨ揪鍒颁簲绫崇殑鏁堟灉浜嗐
绛旓細瑙嗗姏妫鏌ュ崟鏄繘琛屾櫘閫氳鍔涙鏌ユ椂寰楀埌鐨勬暟鎹紝妫鏌ヨ鍔涢氬父浼氭鏌ヨ繙瑙嗗姏锛屽嵆鐪嬭繙鐨勮鍔涳紝杩滆鍔涙鏌ュ線寰鏄氳繃璺濈5m杩滃湴鏂圭殑瑙嗗姏琛锛岃繘琛岃鍔涙鏌ャ傚尰闄㈠唴寰寰鏄潗鍦2.5m鐨勫湴鏂癸紝閫氳繃闀滅閲岀殑瑙嗗姏琛ㄨ繘琛屾鏌ワ紝閫氳繃闀滃瓙鐨鍙嶅皠锛屽疄闄呯殑璺濈涔熸槸5m銆傞氳繃杩欑鏂瑰紡璁板綍鐨勮鍔涚姸鍐碉紝鍗充负姣忎釜浜虹殑瑙嗗姏妫鏌ュ崟銆傚鏋...
绛旓細鎸夌収鏍囧噯瑙嗗姏娴嬭瘯璺濈5绫筹紝鏈鍙嶅厜闀滃弽灏鍙互璁剧疆鍙嶅厜闀滀綅浜2.5绫冲銆傝鍔涜姹傦細涓ょ溂瑁歌鍔涙垨鑰呯煫姝ｈ鍔涜揪鍒板鏁瑙嗗姏琛 4.9锛堝嵆E瀛楄〃0.8锛変互涓娿傞氬父鍦ㄥ尰闄㈡垨鑰鐪奸暅搴鏌ヨ鍔涙椂锛屽湪瑙嗗姏琛2.5绫崇殑璺濈鏀句竴闈㈤暅瀛愶紝閫氳繃闀滃瓙鎶樺皠鍚庯紝浣挎爣鍑嗚窛绂昏揪鍒5绫宠繙銆傝嫢杩涜涓鑸瓫鏌ワ紝鍦ㄨ嚜鐒跺厜杈冨厖瓒崇殑鎯呭喌涓嬶紝鍙皢...
绛旓細涓鑸潵璁插鏋滆鏄溂鐫涘簵鐨勯潰绉笉澶熷ぇ锛屽彲鑳戒細浣跨敤杩欑鏂规硶杩涜娴嬭瘯瑙嗗姏銆備絾鏄粠鍏夊鐨勮搴︽潵璁诧紝濡傛灉鐩稿叧鐨勫弬鏁拌皟鏁村噯纭殑璇濄傚熀鏈笂鏄噯纭殑锛屼絾鏄鏋滃弬鏁拌皟鏁翠笉澶噯纭紝鍙兘浼氭湁鍑犲害鐨勮宸
绛旓細涓鑸鏌ヨ鍔涚殑鎴块棿绌洪棿澶皬锛屼笉鑳借揪鍒拌姹傜殑璺濈锛屽洜姝よ繍鐢ㄥ钩闈㈤暅鐨鍙嶅皠鍘熺悊锛鐢ㄩ暅瀛鍙互澧炲姞浜虹溂鍒瑙嗗姏琛鐨勮窛绂汇傚洜骞抽潰闀滄垚鍍忔椂鍍忚窛涓庣墿璺濇槸鐩哥瓑鐨勶紝瑙嗗姏琛ㄤ笌骞抽潰闀滀箣闂寸殑璺濈涓2.5+0.4=2.9m锛屾晠瑙嗗姏琛ㄥ湪闀滀腑鐨勫儚涓庡钩闈㈤暅鐨勮窛绂讳负2.9m锛岃岃娴嬭呬笌骞抽潰闀滅殑璺濈鍙堜负2.5m锛屾晠瑙嗗姏琛ㄥ湪闀滀腑鐨勫儚...
