As the name implies, these lenses are hard and gas permeable. If you’ve been told you cannot wear soft lenses, RGP lenses are often a great alternative. RGP lenses are available in specialized designs to correct just about any vision disorder.
Ummm...Why are you wearing those?
by Salina Family Vision Care
What’s up with people wearing those big sunglasses after cataract surgery?
The main reason is for protection - physical protection to assure nothing hits the eye immediately after surgery, and protection from sunlight and other bright lights.