Your question barely makes sense, but unless you have 20/20 vision, you'll need corrective lenses. 20/10 vision is actually considered perfect vision.
i wanted to know beyond what number are eyes considered weak...and my eyesight glasses number is -3.75....is that bad for my age?
i have 20/10 :P my right eye sees farther
I think mine is 20/15 is that bad?
No, that's pretty good