Visionary Technology


This article provides insight to how on Ortho-K lens works by describing the dimensional details and the function of each design parameter of the lens.



Ethan Clayton, OD, is an optometrist at Optometric Center Moreno Valley and Optometric Center Riverside California. This article summarizes a case study for the Visionary Scleral Lens on a patient with a severe case of Herpes Simplex Viral Keratitis.

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Educational Resources

GPLI (Gas Permeable Lens Institute) is the educational resource for custom-manufactured contact lenses, with monthly webinars, fitting guides, patient brochures, and much more.

SLS (Scleral Lens Education Society) teaches contact lens practitioners the science and art of prescribing scleral contact lenses.

NKCF(National Keratoconus Foundations) is an outreach program of Gavin Herbert Eye Institute at UC-Irvine. NKCF is dedicated to increasing the awareness and understanding of Keratoconus, and aim to provide resources to individuals with KC.

IAOMC(International Academy of Orthokeratology) is a non-profit, independent organization and represents the orthokeratology in the world.