Lens Parameters

Emerald™ is approved for the following range of treatment:

Approved Treatment Range

Refractive Error

Up to -5.00 Diopters


< 1.50 Diopters


40.00 to 46.00 Diopters

Standard Lens Parameters


10.2mm, 10.6mm, 11.0mm


+0.75 Diopters

Center Thickness

0.22 mm

* Selection based on HVID

Maximum targeted correction is -5.00 D. Call to discuss your options for patients with refractive error greater than -5.00 D or 1.50 D of cylinder.

Only Rx, Keratometry and HVID are needed to achieve success; no trial lenses are required.

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