Nearsightedness
Shortsightedness, Myopia
noun, の adjective
When you can look at things that are near well but you can't see things far away, you have nearsightedness, shortsightedness, or myopia. Good to get those eyes checked out occasionally.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
メガネをかけてるのはファッションじゃなくて、単に近視なだけですよ。
I wear glasses not for fashion but because of my shortsightedness.
このコンタクトレンズは、遠視と近視両方に対応しています。
These contact lenses accommodate both farsightedness and nearsightedness.
私は近視と乱視の両方があります。
I have both nearsightedness and an astigmatism.