Learn about the adaptive lens fit that modifies the relationship between the Base Curve and 1st Peripheral Curve to get as close as possible to the user-defined optimal clearances. Particularly helpful for oblate lens requirements.
Backgound: Toric haptic scleral lens designs are prescribed more often than in previous years. Recent interest in mapping the sclera and conjunctiva is proving that scleral shape is highly variable and may explain the difficulty in fitting some patients with scleral lenses