what are eye lenses used for?

Glasses or contact lenses correct vision because they allow the eye to focus light in the right spot on the retina — the spot that produces the clearest image.

Is lens good for eyes?

Contact lenses are very safe. Still, wearing contact lenses can damage your eyes if you wear them too long, fail to clean them properly or do not replace them as directed by your eye doctor.

Who can wear eye lenses?

Can anyone wear contact lenses? Not everyone who needs glasses wants to wear contacts, but nine out of 10 people who want to wear them can wear contacts. However, contact lenses may not be a good option for people who: Have had repeated eye infections.

Can I sleep with contact lenses?

Is It Safe to Sleep With Contact Lenses In? It is not safe to sleep while wearing contact lenses. According to experts, sleeping with contacts increases your risk for a corneal infection, which is an infection of the clear layer protecting the colored part of your eye.

Are contact lenses painful?

As in the case of any foreign object that is placed inside or close to a sensitive body part, contact lenses pose certain eye health risks as well. It is not uncommon for them to cause discomfort, pain, redness, or watery eyes.