These are daily disposable lenses
which need to be worn daily and disposed off within a maximum time of 24 hours. They are very convenient as the need for a case and solution
is omitted. It helps improve contrast of retinal images . They also reduce spherical aberration amongst available powers.These are used for astigmatic power patients. The hilafilcon polymer reduces tearing and are made for easy lens
removal. No storage or cleaning is required as one can use it and throw it after a day’s use. "