Objective      To determine the clinical effects of our modified three muscular frontal flap suspension surgery in the treatment of severe blepharoptosis in order to gain the function of upper eyelids and visual function

and cosmetic objective at the same time.       Methods      We modified the conventional surgery by cutting muscular frontal flap into 3 parts

and then suspending tarsal plate with the 3 parts in a fan shape. A total of 47 eyes of severe blepharoptosis (a muscular frontal flap of 1.5 cm

36 patients) received our modified three muscular frontal flap suspension surgery.       Results      Of 47eyes

46 eyes were cured after operation

occupy 97.87%. In the follow-up survey of 6 months

eyelids had restored to normal positions without any complication.       Conclusion      Modified three muscular frontal flap suspension operation is an ideal operation for severe blepharoptosis.