Frequency 55 is a monthly lens from Cooper Vision.
YourLenses
Frequency 55 Aspheric (Dia 14.4)
An asymmetric monthly lens that corrects an uneven cornea without being toric. This lens should not be confused with Ultraflex 55/Biomedics 55. Frequency 55 AB (Aspheric) is also sold under the names Synolens AB (Aspheric, Cooper Vision), Choice AB (Hydro
