Dumb question, but how do you know when you need to get glasses?!
Question:
Dumb question, but how do you know when you need to get glasses?
I can see fine, but I feel as if sometimes when I concentrate..it's harder that it should be.
Answers:
When your eyesight deteriorates to an unacceptably low level and the cause is not a temporary defect due to eyestrain or other temporary cause.