[驗光] 怒發 歐美標準驗光流程
流程取自於歐美視光師的聖經
Clinical procedures for Ocular Examination
http://i.imgur.com/rgVJuza.jpg
這是遠用屈光檢查的流程 我逐一翻譯
1.問診
2.角膜弧度儀測量
3.網膜檢影鏡(他覺式
4.驗舊眼鏡處方
5.開始單眼遠用檢查(自覺式
ㄧ.第一次MPMVA
目的在放鬆調節力,讓調節力不要介入,用最大正鏡片達到最佳視力值。
二.紅綠測試
利用紅色跟綠色波長不同,判斷視標是否落在視網膜上。
三.散光測驗
利用時鐘放射圖跟JCC交叉圓柱鏡的使用,測出散光的軸度跟度數。
四.第二次MPMVA
再次放鬆,確認是否用最大正鏡片達到最佳視力值。
五.將上述步驟換眼測量
六.進行雙眼平衡
目的在達到雙眼調節的一致性。
七.雙眼MPMVA
確認在雙眼調節一致下,用最大正鏡片達到最佳視力值。
八.試鏡架試戴
以上遠用驗光的流程,也是歐美視光師的第一步檢查流程,但是會在問診中,找出問題紀
錄下來,待全矯正過後逐一測量。
接下來是看近物的測量,一般是用FCC來做老花度數的測量,而PRA/NRA
則是在測量晶體膨脹的最大值及最小值,與同年齡比較是否為期望值,並非為常用老花度
數的測量方式,但不論是FCC的測量或是PRA/NRA的測量,都是在遠用全矯正下使用,以免
造成不當調節力的介入,進而產生誤差值。
所以遠用視力的全矯正是相當重要的基準值,若連這都測不好的話其他步驟該如何進行呢
,以上,要戰就戰,錯的還是錯,人多不代表正義,堅持做對的事,套句柯p的話,對的
事大家都不做,不對的事天天在做!
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