Contact Lens Brands Compared: The Big Four
Four companies make almost every contact lens sold in the United States: Alcon, Johnson & Johnson Vision, CooperVision and Bausch + Lomb. They compete on a narrower set of things than the marketing suggests — surface technology, oxygen transmission, and how many prescriptions they actually stock. The one specification worth learning Dk/t, not Dk. Dk…
Dr. Teresita Bollar, OD