The need for glasses is a binary variable -- either you need them or you don't.
Someone with presbyopia always needs glasses because he can't focus both near and far. It doesn't matter whether that person started with good eyesight, or with myopia, or had myopia corrected by Lasik -- he will need glasses.
You seem to think that presbyopia "corrects" myopia, that is not so. In geometric terms myopia "translates", shifts your zone of focus closer to you so that it doesn't include infinity any more. But presbyopia narrows your zone of focus, contracts it. You don't get far vision back by overlaying myopia with presbyopia.
Sorry, I was not clear. I do not think that presbyopia corrects myopia. It even makes it worse at distance. But at close myopia can offset the effect of presbyopia.
As presbyopia narrows your zone of focus, you can not focus as close as previously. If you have myopia, you can focus at much closer distances than people with normal vision. Before presbyopia, this is not much use. When presbyopia develops, you have more close vision to spare, and can still read a book or a computer screen when people with normal vision would need reading glasses.
I will give a ...
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