Silk, Alvin J., Bruce Issacson, and Marie Bell. "Vistakon: 1 Day Acuvue Disposable Contact Lenses." Harvard Business School Case 596-087, March 1996. (Revised February 1999.) ...

such as 1-Day Acuvue Moist, offer convenience and hygiene. Weekly and monthly lenses, like Biofinity and Air Optix, are cost-effective options. Quarterly and annual lenses require more maintenance.