Powers run -12.00 to +6.00, in 0.25D steps from 0.00 to -6.00 and +0.25 to +4.00, and 0.50D steps from -6.50 to -12.00 and +4.50 to +6.00.
Packaging
Standard pack size is 6 lenses.
Study
A 120 patient double masked crossover study compared the lens with other brands.
Initial Fitting Guide
Clearlab's fitting guide prefers a trial lens, taking the steeper base curve first. Its keratometry shortcut gives one stock design: for an average K of 39.50 to 41.50 and higher, 8.7 mm base curve / 14.5 mm diameter.
