: The curvature of the lens (usually between 8.3 and 8.8). Diameter (DIA) : The width of the lens. Specialty Versions FOCUS® DAILIES 90 Pack Contact Lenses
: Your nearsighted (-) or farsighted (+) strength.
Focus Dailies contact lenses, you will typically need a valid prescription from your eye doctor. You can purchase them through various online retailers or local optical shops. Several established retailers offer Focus Dailies