Eye issues? Any Help?

Hi. Every year, I have a health screening at school. And every year, since 6th grade, I fail the eye examination. Not literally, but I can't see far out of my left eye due to blurriness. I've been told that I use just my right eye to see far away. Now, I did poorly with my right eye during the test too. I've been to the optometrist before and she said that it was optional if I wanted to get gles. If I was having trouble in school, that I should get them. Well, both my mother and I decided that it wasn't necessary. But now this year, I did bad with the right too and once again I will have to get retested with the nurse. Once again, it's far away, not near. I've also had a history of double vision, having two surgeries to correct the problem although I still have a little double vision in the morning and at night due to sleepiness. I've heard that gles can help with that. So, with the amounting annoyances occurring, do you think I should get gles?