Proclear 1 Day contact lenses are manufactured by CooperVision one of the World's leading manufacturers. Proclear 1 Day contact lenses incorporate PC Technology™ which is responsible for the exceptional all-day comfort. This is achieved by incorporating phosphorylcholine into the lens material. This chemical safely mimics the cells present in your eyes to greatly help compatibility ensuring a fresh, clear wearing experience. 62% of water content is ideal for those working in an air-conditioned environment.