I just wanted to know if it's normal for vision to curve with the top and bottom of the frame of my eyeglasses. my glasses are an oval shape and my vision seems to distort and curve with the frame at the top and bottom. these aren't new glasses.

All glasses distort: It's an optics problem, but the brain can partly adapt to it. Looking through the center of a lens should give a view of straight lines. Looking through the edge of a lens will show curved lines. The distortion is greater at the far edges of a lens, meaning big diameter lens will seem to distort more. Lenses with higher diopter power seem to distort more. One solution is to wear contact lenses.