AMERICAN RECORDER LLCD-2 DVD/CD Complete Lens Cleaning Kit DVD&#47;CD Laser Lens &#47; Disc Cleaner Kit Over time the optical lens will accumulate dirt and dust. This will contribute to mistracking&#44; skipping&#44; erratic speed&#44; loss of information and degradation An unclean lens will activate the error correction circuit which could cause audio or video loss For perfect digital reproduction&#44; it is important to regularly clean the optical laser lens in DVD&#47;CD&#47;CD-ROM