The Need for Speed

John Samssedi, OD, FAAO; Brian Tompkins, BSc (Hons), FCOptom, FBCLA

Both nystagmus patients showed toricity with the rule and the toricity increases as the chord length increases. As a result, the scleral lens approach for both these patients was the best approach.

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Incorporating a Bi-Elevation Design for Improved Scleral Lens Centration

Germán Aparicio, OD; Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS

Scleral lens centration is influenced by several factors including the corneal sagittal height, limbal shape, and scleral shape. All these factors can be assessed using corneal and scleral Profilometry.

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