Barber messed up my hair, any way to fix it?

I asked a barber to cut my sides to an inch, and leave the top of hair as it is. He then cut into the top of my hair anyway, and instead of the top of my hair touching my ears when I comb it, it now creates this weird line, where it touches my eyes, then goes diagonally upwards until it reveals the entire side of... show more I asked a barber to cut my sides to an inch, and leave the top of hair as it is. He then cut into the top of my hair anyway, and instead of the top of my hair touching my ears when I comb it, it now creates this weird line, where it touches my eyes, then goes diagonally upwards until it reveals the entire side of head (when I comb it to the sides).

Is there anyway to fix this? Since simply growing it won't help, as the diagonal line will still be there.
Update: Reveals the entire side of head at the back, touches ears at the front.
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