my vision is changing again!! wtf

so i got my glasses in 2016 in the beginning.. now i feel like i'm seeing blurry again in my glasses and my vision is changing again!!! wtf !!!! im in college so i noticed in like march i couldn't see the screen in class i was squinting alittle. my vision sucks asss 1 eye is sooooo worse than the other eye. i wish i had clear vision . so should i go to the doctors and get checked again? seriously why does our vision change so fast ?? i just went to the doctors last year man. i cant keep getting new glasses every year. 😔😡 i want to get lasik but i'm so scared