I do. Just now one of the lenses fell out because a miniature screw fell out.
Of course there was no chance of finding it
Now I have to go back to where I purchased them for repairs.
Such a design flaw that has been around for as long as the modern era glasses have been around.
I think a better method would be to use rivets instead of screws.
They would never fall out.
If one needed stronger lenses, then the rivet could be drilled out.
My brother is long sighted, he just buys the $2 glasses from the chemist or $2 Shop for reading.
I am short sighted so have multifocal lenses but don’t use glasses for reading, I just hold the book closer.
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I am going to go back to buying the cheap brand as well.
Crazy to pay $250 for a pair that has such a design flaw allowing it to fall apart.
I took them back, they repaired them and added a dab of loctite. 
Yes I wear glasses for reading.