Fetching details from the dictionary...
right eye
練習中に右目を打った。
I hit my right eye during practice.
最近、右目が見えにくくなってきた。
Recently, my right eye has become harder to see with.
眼科医は右目の視力が左目より弱いと診断した。
The ophthalmologist diagnosed that the vision in my right eye was weaker than my left.