Renewal conditions

Soft contact lenses

The "HydroCone" and "HydroMed" are offered in 3 or 6 monthly exchange intervals. This replacement recommendation is based upon the likely depositing on the lens making an annual replacement regime inadvisable

RGP contact lenses

It is recommended to replace the "FlexCone" and "FlexMed" after a 12-month period. Careful handling by the patient can in rare cases allow a lens replacement every 18 months