However, VAL-1216-PQ was not approved until 4/29/2011; and. viii. Protocol VAL-1216-PQ does not address challenge testing for conducting maximum number of runs using the (b)(4) before a cleaning process is necessary.
Skin Tightening: Most cosmetic laser procedures provide some level of superficial tightening at the least, because they produce a controlled injury of the skin, which encourages increased collagen production. For more significant tightening results, though, CO2 lasers are the laser of choice.
The most common types of laser eye surgery include LASIK, PRK, LASEK and EpiLASIK. Each of the four laser eye surgery procedures below uses the same special laser, called an âexcimerâ laser, to reshape the cornea. This is what corrects vision. But laser eye surgery can vary in the specifics of the procedure, the recovery time, which surgical instruments are used and your patient candidacy. You might be a better candidate for PRK, for instance, than for LASIK.