Active Focus: Prescribed -5.50, Can Read 20/20 with -4.00
The title of this post points to something interesting: If you can read 20/20 with a -4.00 prescription (after a month or two of basic efforts) why did the optometrist prescribe you a -5.50? … Continue reading Active Focus: Prescribed -5.50, Can Read 20/20 with -4.00
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