(pos:名詞)
<explanation>
yue:眼部老化而自然引致嘅對焦問題，導致睇近嘢，尤其是細隻嘅字會越嚟越唔清楚
eng:presbyopia
<eg>
yue:老花眼鏡／老花鏡 (lou5 faa1 ngaan5 geng2 / lou5 faa1 geng3)
eng:reading glasses (for people with presbyopia)
<eg>
yue:人到四十歲左右就開始有老花。 (jan4 dou3 sei3 sap6 seoi3 zo2 jau2 zau6 hoi1 ci2 jau5 lou5 faa1.)
eng:People start to have presbyopia around the age of forty.
