As long as you can see to a certain level with your glasses and/or contact lenses, then no, you are not legally blind.
You may have poor vision without correction, but the important thing is that you can see better with glasses and/or contact lenses. Those who are legally blind are unable to achieve good, correctable vision due to a variety of eye diseases/conditions (cataracts, glaucoma, macular degeneration, etc).
A person is considered to be legally blind if they meet 1 of 2 criteria:
1. 20/200 vision or less in the better-seeing eye, with glasses and/or contacts
2. Visual field (area of peripheral vision) measuring equal to or less than 20 degrees in the better-seeing eye. i.e. "tunnel vision"
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