diopter
US /daɪ'ɒptə/
・UK /daɪ'ɒptə/
A1 初級
n.名詞屈光度
影片字幕
輕鬆解決散光問題 #1 (NCLE ASTIGMATISM MADE EASY #1)
12:28
- So there is a difference of what a half a diopter between those two uh meridians the steepest and the flattest meridian so there's a half a diopter of corneal astigmatism and this brings up a great point now um so if defining astigmatism there is regular astigmatism and irregular astigmatism.
是以,最陡和最平的兩條經線之間相差半個屈光度,所以角膜散光有半個屈光度,這就提出了一個很好的問題,如果定義散光,有規則散光和不規則散光之分。