Frequent?replacement and daily disposable contact lenses are generally produced in a one-size-fits-all design. But, as we know, patients’ eyes come in a variety of shapes and sizes, and the one-size-fits-all concept does not work as well with contact lenses as it does with spectacle lenses. Patients have differing horizontal visible iris diameters (HVIDs), corneal eccentricities, and aberrations—as well as a variety of prescription and material requirements—that are not available in mass-produced contact lenses. Custom soft contact lenses will satisfy the total range of patients’ anatomical and prescription needs to achieve a successful outcome.
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