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Both my eyes are functionally the same according to my eye exams. Being older I need reading glasses. Any strength will do, but I use pretty strong ones for reading in bed. Reader is closer to my face.
I just use cheap reading glasses and sometimes a lens will drop out and I don't notice it for a while. So I must be reading with one eye. But it could be either lens and I am no worse off until I actually notice. Bizarre eh.
Helen
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