定年退職を迎えた父が突然趣味の鉄道模型を全部息子にあげた理由（togetter）
定年退職を迎えた父が趣味の鉄道模型を息子にくれたのは、もう細かい物が見えなくて組み立てられないから。だから「楽しみを定年後に先延ばしするのは止めようと心に決めた」――ええっ！私も64歳でとっくに老眼だけど、若い頃からの趣味の電子工作で、2.54mm間隔の穴に部品を組み付けたりしてるよ。もっとも私は若い頃4ジオプトリの近視（裸眼視力0.1）だったので、老眼の今は眼鏡をはずすと25cm先に焦点が合って、細かい物がよく見えるんですがね。若い頃に正常視力（0ジオプトリ）だった人が老眼になったら、+2.5ジオプトリの老眼鏡をかければ40cm先の本やコンピュータ画面がよく見えるはずだし、+4ジオプトリの老眼鏡をかければ25cm先の細かい物がよく見えるはず（ただし緑内障や重い白内障がなければですが、不安なら私のように眼科検診を受ければいい）。
　眼鏡を必要とする不便さを体験しないまま年取った人は、老眼鏡を使うことは自分の老いを認めるような気がして嫌なんでしょうかね。そんなことで趣味をあきらめるなんてもったいない。

This article says that: The writer's father gave his railway car model to his son saying that he couldn't assemble it any more because he couldn't see small things because of aging. The writer said, so he wouldn't leave his enjoyment until retirement. What? Although I am 64 years old so have presbyopia, I have not given up my hobby of making an electronic device assembling small parts. I can see small things wearing off the glasses because I was shortsighted when I was young. If you had normal eyesight when you were young and now have presbyopia, you must be able to see clearly a book or a computer display with glasses of +2.5 diopters (40 cm) and see small things with glasses of +4 diopters (25 cm), unless you have glaucoma or serious cataract. Do people dislike to use glasses for presbyopia after aging in case they have not known inconvenience of using glasses? It is nonsense of you to give up your hobby because of presbyopia.

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