Both laser treated sides showed a significant improvement in MMASI evaluations after two treatments ( @ % improvement on the QS-Nd : YAG , @ % QSAL ) and each follow-up visit @ ( @ % QS-Nd : YAG ; @ % QSAL ) , @ ( @ % QS-Nd : YAG ; and @ % QSAL ) , and @ weeks ( @ % QS-Nd : YAG ; and @ % QSAL ) after the last treatment , but no significant difference was seen between study groups at any visit .