I think they aren't really a symbol, but just another likeness between him and his father. Also the glasses draw attention to his eyes, which are like his mother's. I don't think there is really a deeper meaning to the glasses.
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Harry Potter wears glasses, according to J.K. rowling, as a sign of his vulnerability Or because he is short-sighted.
A slightly older version of Harry with a different colour of eyes. Glasses, untidy black hair and skinny.
Harry Potter was a wizard
There is no such person.
No
not in the film, no
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Harry Potter Places
Harry's mission is to defeat Lord Voldermort.
no
In Scotland