I lost my prescription eye glasses at a friends house and my mom said She won't get me new ones?

Call your doctor and see if he has cheaper frames for you to purchase your glasses. Next time always carry your case around with you. That way if you have your case, you always will remember to put your glasses in there if they are with you. Never put your glasses down. Think back to the last time you saw your glasses. I'm sure you can find them now.