Biomedics 38 are weekly disposable soft contact lenses. These lenses are also sold under a number of store brands (including Ultraflex 38) specific to eye doctors and optical chains. All orders will be shipped as either Biomedics 38 or Ultraflex 38.These lenses are tinted for ease of handling and will not change the color of your eye. The tint is simply designed to facilitate locating the contact lenses in solution.