I have a -2.75 prescription in contact lenses. Is it safer to go to a -2.50 or a -3.00?
Added (1). I am buying contact lenses online, and the only options are -2.50 and -3.00. Should I go higher in power or lower in power?
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I have a -2.75 prescription in contact lenses. Is it safer to go to a -2.50 or a -3.00?