are you a doctor?
do you even where glasses?
have you ever worn glasses?
no
yes, all the time
yes
completely blind maybe not but it was a condition where my eyes where deteriorating and I had to where glasses and at one point a patch to adjust them or they would have gotten far worse after I got older they stabilized so that I no longer had to where them
no, eye problems are always problems with the eye, not with glasses
they are caused by physical things inside the eye, such as the eye being too long or being too short, your lens being formed wrong, or there being too much pressure inside your eye
what you see does not affect your eyesight permanently, unless it is something that will damage your retina (like lasers)
literally the only thing glasses do is change the redirect the light coming towards your eye, and focuses it in such a way that the eye's problems with focusing the light itself will not affect it
whether what you see is blurry or sharp will not cause you to go blind or prevent blindness
I am not a doctor, but I very clearly know more about this than you do