I'm nearsighted, so I have to wear glasses.
i wear glasses too! Usually glasses are used for vision correction but some people wear it because they like the way they look with glasses on
I wish I had a choice! I like my glasses, but I hate being nearsighted. I can't see things far away.
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
has appeared on several episodes like "Look After Your Planet", "How Many More Minutes Are There Until Christmas"etc. She said she was going to be a Wicked Witch in "What Can I Wear For Halloween" but she went as a girly rabbit instead of a witch. She had purple-rimmed-glasses with orange flowers on it on "I Really Absolutely Must Have Glasses" Sometimes she is seen with Evie. Sometimes not. For unknown reasons, her name is never revealed.
Morten Lowe 
Morten