I have an annoying lazy eye, how can I correct it?

My right eye keeps going out of focus if I concentrate my sight on something, like my computer screen. It stays normal at first then keeps rolling off out of focus and I am afraid of it becoming permanent. I get made fun of for it sometimes and I hate it. I have to wear sunglasses outside when I am talking to someone so they don't see it if it happens. I believe it is known as the "bullying effect" of the dominant eye. I can do it with my left too but that one I have to force out of focus, my right one does it by itself. Is it possible to fix it by covering my dominant one for so long a day? I heard that is a way of strengthening the weaker side because by covering my dominant it forces all my vision to be out of my right eye, therefor making it stronger until it matches the other side
I have an annoying lazy eye, how can I correct it?
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