Versant Health shows how they determine prescriptions for eye problems. Then they set to work to make the lenses, treat them with appropriate coatings, and then insert them into frames. The company has sent devices that simulate vision problems to thousands of health care providers to use in their practice to educate their patients. With this tool, viewers can see through the eyes of someone living with glaucoma, cataracts, macular degeneration, and other vision disorders.