Micro-thin inserts have few spherical aberrations

Portland, OR-Myopic correction with micro-thin prescription inserts (Intacs, Addition Technology Inc., Fremont, CA) is associated with a more favorable effect on corneal asphericity and is less likely to cause adverse spherical aberrations than LASIK, according to interferometry and wavefront analysis studies conducted by Terry E. Burris, MD, clinical associate professor of ophthalmology, Oregon Health Sciences University, Portland.