IRVINE, Calif., March 22 -- Premier Laser Systems reports that its EyeSys Vision Group has received a request from the FDA for documentation that will allow the agency to begin its review for final approval of the Centauri Er:YAG laser for cataract surgery. While the FDA has not cleared the system to be marketed for cataract procedures, it has given its approval for ophthalmologists to continue and expand their treatment of patients using the system in the clinical environment.