For most people, contact lenses are a convenient way of avoiding the need for spectacles. They don't mist up in the heat, you don't waste time trying to remember where you put them, they don't catch on your eyelashes when you blink, or make your eyes look bigger or smaller, and they don't get in the way during sport.
This is a companion discussion topic for the original article at https://patient.info/eye-care/contact-lenses