Biomedics 38 contact lenses are manufactured by Ocular Sciences and offer you the advantage of wearing contact lenses without the daily hassle of cleaning and caring for them. Biomedics 38 (UltraFlex 38) Contact Lenses are worn as a daily lens and discarded after two weeks. Biomedics 38 disposable lenses are made with a visible tint that won’t change the color of your eyes. Its purpose is to assist you in finding your lenses in the solution. Biomedics 38 1-2 Week Disposable lenses are made of polymacon with a water content of 38 percent.