FCC是否為老花?公開回答 - 眼鏡
By Steve
at 2015-05-18T18:35
at 2015-05-18T18:35
Table of Contents
fcc的測驗,就是對於看近物的調節力檢測法,出來的值是否是老花現象?
首先老花現象,我已經有在上一篇文章以介紹過。
老花現象的發生原因,是因為晶體或睫狀肌之老化原因,而造成對於看近物的不清楚,才
是被稱為老花現象,這是國際視光術語,是全世界視光學院,視光師所認可的。
而好發年紀約莫四十歲開始,這也是國際認可的。
一般而言,四十歲以下若fcc驗出來有數值可能有以下可能:
ㄧ,近視眼患者,多數因為矯正度數過當,造成影像落在視網膜後,但年輕調節力好,可
以用晶體來調節,有些則是晶體調節過度,造成假性麻痺,而產生對於近物調節不清晰,
解決辦法就是,配好正確的球面度跟散光,跟良好的休息,即可恢復近用調節力,而老花
現象則是一定需要用凸透鏡,才能看清近物。
二,遠視眼患者,因為本來成像就在網膜後,所以長時間的近距離用眼,也會時晶體照成
假性麻痺,解決方式,一樣矯正球面及散光度即可。
三,病理因素,晶體因為病理問題,造成晶體模糊,但是調節力還在,需更換人工水晶體
,即可。
以上都是國際視光協會的多年學術理論。
老花現象,用科學角度來說,是不可逆的,只要病變只會更弱,不會更恢復,但是,假性
的調節力麻痺是可逆的,只要找到問題讓睫狀肌放鬆即可,所以老花跟調節力麻痹是一樣
的嗎?
再來分享國際的認證的正統驗光流程
ㄧ,用網膜鏡掃出球面跟散光度數(他覺式)
二,用步驟ㄧ的度數,當其使度數,確定球面度(自覺式)
三,用交叉圓柱鏡,確認散光角度跟度數(自覺式)
四,換眼
五,雙眼雲霧放鬆調節 做雙眼平衡(自覺式)
六,試鏡架使用,再次確認球面跟散光(自覺跟他覺同時)
以上 這也不是我的經驗,而是國際視光學院都是這樣教的。
--
首先老花現象,我已經有在上一篇文章以介紹過。
老花現象的發生原因,是因為晶體或睫狀肌之老化原因,而造成對於看近物的不清楚,才
是被稱為老花現象,這是國際視光術語,是全世界視光學院,視光師所認可的。
而好發年紀約莫四十歲開始,這也是國際認可的。
一般而言,四十歲以下若fcc驗出來有數值可能有以下可能:
ㄧ,近視眼患者,多數因為矯正度數過當,造成影像落在視網膜後,但年輕調節力好,可
以用晶體來調節,有些則是晶體調節過度,造成假性麻痺,而產生對於近物調節不清晰,
解決辦法就是,配好正確的球面度跟散光,跟良好的休息,即可恢復近用調節力,而老花
現象則是一定需要用凸透鏡,才能看清近物。
二,遠視眼患者,因為本來成像就在網膜後,所以長時間的近距離用眼,也會時晶體照成
假性麻痺,解決方式,一樣矯正球面及散光度即可。
三,病理因素,晶體因為病理問題,造成晶體模糊,但是調節力還在,需更換人工水晶體
,即可。
以上都是國際視光協會的多年學術理論。
老花現象,用科學角度來說,是不可逆的,只要病變只會更弱,不會更恢復,但是,假性
的調節力麻痺是可逆的,只要找到問題讓睫狀肌放鬆即可,所以老花跟調節力麻痹是一樣
的嗎?
再來分享國際的認證的正統驗光流程
ㄧ,用網膜鏡掃出球面跟散光度數(他覺式)
二,用步驟ㄧ的度數,當其使度數,確定球面度(自覺式)
三,用交叉圓柱鏡,確認散光角度跟度數(自覺式)
四,換眼
五,雙眼雲霧放鬆調節 做雙眼平衡(自覺式)
六,試鏡架使用,再次確認球面跟散光(自覺跟他覺同時)
以上 這也不是我的經驗,而是國際視光學院都是這樣教的。
--
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