Result: Following frontalis muscle flap suspension surgery, there was a statistically significant improvement (p<0.001) in margin reflex distance 1 (MRD1) and palpebral fissure height (PFH), from 0.009 ± 0.60 mm and 5.59 ± 0.68 mm (pre-operation) to 2.68 ± 1.10 mm and 8.26 ± 1.14 mm (1 week after operation), 3.63 ± 0.77 mm and 9.24 ± 0.85 mm (6 months after operation), 3.45 ± 0.80 mm and 9.02 ± 0.89 mm (12 months after operation).