Setup, Compatibility & Care
Because these are ready-to-wear sunglasses, no technical setup is required. To ensure longevity, store the VO4309S in a protective hard-shell case when not in use. Clean the lenses daily using a microfiber cloth and a mild lens cleaning solution; avoid using paper towels or clothing, as the fibers can cause micro-scratches on the lens surface. If the hinges feel loose after extensive use, consult an optical professional for professional adjustments rather than attempting to tighten the small screws yourself.