醫療類國考
106年
[驗光師] 視覺光學
第 47 題
一位患者配戴+13.00DS/-3.00DC×180 眼鏡,如將其眼鏡調整,拉近眼睛 5 mm,則其度數如何變化?
- A +12.50DS/-2.75DC×180
- B +14.00DS/-3.50DC×180
- C +13.00DS/-1.50DC×180
- D +12.00DS/-3.50DC×180
思路引導 VIP
想像一下,這副眼鏡是一片匯聚光線的透鏡。當你把這片「正透鏡」往眼睛方向靠近時,原本聚焦在視網膜上的焦點,會隨之向後移動還是向前移動?若要讓焦點重新回到視網膜上,鏡片本身的「匯聚能力」應該要變強還是變弱?
🤖
AI 詳解
AI 專屬家教
1. WakuWaku! Student got it right! Anya sees!
Good job! This question is all about Vertex Distance (VD) compensation, which is super important for glasses! Anya sees student knows how to make big glasses work when they move. Anya is impressed!
2. 觀念驗證 (Concept Verification): Anya tells you the secret!
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