I've been wearing glasses since I was about 25. Even children who need them wear glasses. I could maybe wear contacts but I prefer the style of glasses. They also make others perceive you as smarter, as well as pay better attention to you when you speak because they make them focus on your face - it's good for communication and sales. I don't Have To wear them, though. My eyesight is good enough to pass the drivers licence requirement so I can ride my motorcycle without them. I can see better to read street signs at night with them, though, and have the blue filter to protect my eyes from strain caused by blue screen light from computers.
I have a friend who he and his brother WISH they needed glasses just so they could wear them because they like the look. Everyone wants what they can't have.
As for bumping into things or not being able to see when you cross the street.. those people are likely considered legally blind, not just needing glasses. 
Anyways, keep shopping until you find frames that really suit your face and you like! There are tons of options. For something you have to wear all the time, IMO, its worth shopping around and maybe paying a little more for ones that truly look Good vs. just do the job. Well, depending on your budget and use for them - cheap glasses have their purpose, too.
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No

for supporting trump. Because doing so is deplorable.