I need to get my eyes checked for glasses, because I have noticed my vision getting worse, especially at night when I am driving.
Glasses are typically used for vision correction 
I know that...
Also some people where corrective lens over their eyes to help with their vision.
This is not knew information, but thank you I guess.
Corrective lens
A corrective lens is a lens typically worn in front of the eye to improve vision. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses are surgically implanted most commonly after cataract removal, but can be used for purely refractive purposes. 
Prescription of corrective lenses.
Corrective lenses are
diopter steps (0.25 D) because most people cannot generally distinguish between smaller increments (ex. eighth-diopter steps / 0.125 D).
Non-Surgical Visual Correction Corrective lens Glasses.
Glasses (also called eyeglasses or spectacles) are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays.
Modern glasses are typically supported by pads on the bridge of the nose and by temple arms placed over the ears. Historical types include the "pince