Oxygen and water.
The effects of water loss from four types of hydrophilic contact lenses on their oxygen transmission efficiencies to the cornea were quantified, and the clinical implications of such change, i.e., as under ambient wearing conditions, are discussed.
D003263:Contact Lenses, Hydrophilic / Q000592:standards*; D006801:Humans; D010100:Oxygen; D010539:Permeability; D014867:Water / Q000032:analysis*
D014867:Water; D010100:Oxygen