US researchers have described using wavefront-guided (wfg) optics on custom ocular impression-based scleral lenses (IBSLs) producing a two-line improvement in best-contact lens visual acuity (BCLVA) in a keratoconic patient.
Researchers at the Cornea and Laser Eye Institute-Hersh Vision Group, Rutgers-New Jersey Medical School, said the 28-year-old patient had failed with a traditional, diagnostically fit scleral lens. Using a system that included a dot matrix on the IBSL and a wavefront aberrometer with pupil and dot registration software, the team created the wfgIBSL. Compared with the IBSL, the wfgIBSL reduced the total higher-order root mean square (HORMS) by 67% and 64% in the right and left eye, respectively, resulting in the reported BCLVA improvement.
