GSLS (Global Specialty Lens Symposium) 2015

By January 12, 2015June 13th, 2016Events

Researchers Cristian Merz (Optometrist and consultant at Microlens, the Netherlands) and Maarten van Hoey (Optometrist at Lens Optical, Belgium) have released a compelling new case study which highlights the benefits of fitting scleral lenses (as well as other larger lenses) using the ESP.

Microlens and Eaglet Eye worked together to design a software application with the ability to fit the Microlens ‘Misa’ scleral lenses based on sagittal height and curvature data at different chords lengths up to 16.5 mm, 360° around in steps of 15°.

The technology was put to the test on a young keratoconus patient, who required scleral lenses in order to improve visual acuity. The left eye was fitted using the Eye Surface Profiler and the Misa scleral lens fitting tool, and the right eye was fitted with a trial set without the help of the ESP.


This case report demonstrates that sagittal height and peripheral ocular surface data can be of great help fitting scleral lenses. The ESP with its Profilometry technology can measure sagittal height up to 20mm in diameter against the 8-10 mm usual with other topographers. Especially the detailed sagittal height data and that extra 10.0 mm provides us with important information for fitting larger diameter lenses. The fitting tool provides strong guidance for choosing the first diagnostic scleral lens – improving patient comfort and reducing chair time for the contact lens fitter.

Please click here to read this Microlens case study in full

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