Today I have checked my eye sight is -2.5 and -3.0 last year in july when I have checked and that time it was -2.0 and -2.5 increase of -0.5 in a year I want to know what should I do so that my eye sight does not get more weak. I don't want to get blind I am 26 now please help how to control or regain eyesight.

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