| Biomedics contact lenses (6 pack) provide clear, crisp, and sharp vision by precisely focusing light traveling through the lens and human eye. These bi-weekly lenses also feature a thin, patented edge design for excellent comfort. They are designed to control spherical aberration in the lens and human eye. Spherical aberration is the inability of a lens to focus light on a common point. On top benefits, Biomedics contacts help protect your eyes from the sun’s harmful UV rays.