— 健康促進與維護 · MEDIUM · MCQ —
護理師與一位高齡病人討論老化帶來的視力改變。哪項發現是老化的正常現象？
A nurse is discussing age-related vision changes with an elderly client. Which finding is considered normal for aging?
- ATunnel vision.隧道視野
- BHalos around lights in the absence of cataracts.無白內障時燈光周圍出現光暈
- CSudden loss of central vision.中心視野突然喪失
- DPresbyopia (difficulty focusing on near objects).✓ 正解老花眼（難以聚焦近處物體）
— Explanation · 中文詳解 —
老花眼（Presbyopia）是由於水晶體彈性變差，導致近距離聚焦困難，是 40 歲後常見的正常生理老化現象。C、B、A 選項分別提示黃斑部病變、青光眼或其他異常狀況，皆非正常老化過程，需進一步檢查。
Presbyopia results from decreased elasticity of the lens, causing difficulty focusing on near objects, and is a common normal physiologic change of aging after age 40. Options C, B, and A suggest macular degeneration, glaucoma, or other abnormal conditions; none of these is part of the normal aging process, and each requires further evaluation.
✦ 台美臨床差異
無差異，兩地眼科醫師對於老花眼與病理性視力喪失的鑑別診斷標準一致。