my eyes take a long time to get re focused. when i look at something close, and then look at something farther, it's just a big blur. it takes me half an hour to get it refocused. what is going on with my eyes? i have almost perfect vision before. also, when i cover my right eye, its just a complete blur but if i do the same with my left eye, my right eye can see. do i need glasses or something?
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