For @ cases ( @ eyes ) with acupuncture treatment , in @-month follow-up , @ % ( @/@ ) of the cases maintained the stable vision as the original level and @ % ( @/@ ) of them were reduced in the vision In the acupuncture groups , it was found that the improvement of distant vision of naked eye was more obvious after treatment with younger age , better basic vision and shorter duration of sickness ( all P < @ ) .