Cars & Other Vehicles How do prescription glasses improve eye function? Do glasses fully correct vision? If you have been wondering whether wearing eyeglasses improves your eyesight, the answer to that is that they do. However, there is no indication that they affect your physical eye or the source of your sight loss symptoms.26 Sept 2020 Related Posts:What shape glasses look best on a narrow face?What are fake glasses called?Can you convert contact prescription to glasses prescription?What happens if you wear your glasses too much?