大家是如何去配眼鏡的? - 眼鏡
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By Vanessa
at 2010-03-10T21:47
at 2010-03-10T21:47
Table of Contents
推 g30601:戴上去 因為看不太清楚 我都憑直覺耶 不過都是自己喜歡的03/10 20:26
→ g30601:框 所以直覺選的也還不錯03/10 20:26
推 deshalb:我兩種都試過,不過我500度,站離鏡子遠就看不清楚整體感03/10 21:28
→ deshalb:覺,這種時候就戴隱形眼鏡去-3-03/10 21:28
一個簡易的算法..
照鏡子清晰距離 = 1/(度數/50) ..單位是公尺..
舉個例..
近視100度不戴眼鏡..需要離鏡子50cm以內才會最清楚..
近視200度不戴眼鏡..需要離鏡子25cm以內才會最清楚..
近視300度不戴眼鏡..需要離鏡子16cm以內才會最清楚..
........
只要在上述距離以外..影像就會較模糊..
但是根據幅輳調節模型式的預估..
年紀越輕..模糊的幅度會越低..
舉個例..
20歲佩戴者..
近視300度不戴眼鏡..需要離鏡子16cm以內才會最清楚..
離鏡子25cm時..會有40度左右的模糊感..
50歲配戴者..
近視300度不戴眼鏡..需要離鏡子16cm以內才會最清楚..
離鏡子25cm時..會有100度左右的模糊感..
相關討論可以參考 optical版 第11360篇 [近用眼鏡處方應該降多少度才適當?]
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Tags:
眼鏡
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By Hedda
at 2010-03-10T23:30
at 2010-03-10T23:30
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By Liam
at 2010-03-12T22:17
at 2010-03-12T22:17
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By Sandy
at 2010-03-14T07:37
at 2010-03-14T07:37
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By Dinah
at 2010-03-14T21:01
at 2010-03-14T21:01
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請問聽過Polymer鏡片嘛?
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By Edwina
at 2010-03-10T21:28
at 2010-03-10T21:28
請問聽過Polymer鏡片嘛?
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By Olive
at 2010-03-10T20:05
at 2010-03-10T20:05
大家是如何去配眼鏡的?
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By Oscar
at 2010-03-10T20:01
at 2010-03-10T20:01
近視也許可以回退
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By Kelly
at 2010-03-10T17:13
at 2010-03-10T17:13
可否推薦師大附近不錯的店家
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By Enid
at 2010-03-10T16:55
at 2010-03-10T16:55