Proclear Multifocal are disposable contact lenses manufactured by CooperVision. Proclear Multifocal monthly replacement contact lens designed to address Presbyopia -a condition caused by aging eyes where reading small type and seeing objects up close becomes more difficult. Proclear lenses let you enjoy an unrivaled level of comfort all day long. It's an exceptional level of comfort made possible by PC Technology, which creates a unique material containing molecules of phosphorylcholine (PC), a substance found naturally in human cell membranes. These molecules attract and surround themselves with water, keeping Proclear Multifocal lenses moist and comfortable, even after 12 hours of wear.