A skin treatment device, namely, medical and cosmetic lasers; A device for laser treatment of the skin, namely, medical lasers; A surgical apparatus for use in performing fractional ablative surgery on the skin and face; light-based devices providing mainly pulsed light for performing non-ablative aesthetic skin treatment procedures; A skin rejuvenation or skin tightening device comprised of medical and cosmetic lasers, consoles, handpieces, and viewing screens