Additional file 1 : Preoperative and postoperative clinical data and type of surgery. Sex Age Preoperative 0 I: 1 M 66 3 1 41 2 0 M 38 2 1 21 3 0 III: 2 F 20 2 1 0 2 0 2 0 1 II 0 0 2 II 0 0 0 0 0 0 0 0 III 1 0 0 III 3 0 0 0 0 0 0 III 1 0 1 0 M 0 0 0 III: 1 0 III III 3 0 1 I 0 3 1 LE Postoperative RE LE I I I I I I I I No surgery 1 0 2 0 1 II: 4 1 0 0 RE Type of surgery Degree of ptosis after surgery 0 0 2 0 F 0 0 1 II: 2 Degree of ptosis presurgery 1 III III 1967 OU: Recession IRM 5mm, Resection SRM 6 mm, eyelid levator resection 10 mm by skin approach 1968 RE: Superior oblique tenotomy LE: Recession LRM 5 mm, Resection MRM 9 mm 0 2 2 1 1967 OU: Recession IRM 6 mm, Resection RSM 6 mm, 1968 OU: Recession MRM 5 mm, superior oblique tenotomy 1969 OU: eyelid levator resection 14 mm by skin approach 0 1 0 0 0 0 0 2 1 0 0 2 1 0 0 0 0 3 0 0 0 0 0 1 0 1 0 1 0 3 3 1 0 2 0 3 1 0 1984: OU: Recession IRM6 mm, Recession of conjunctive 5 mm LE :Resection SRM 7 mm RE : Resection SRM 6 mm 1986: OU: Suspension from frontalis muscle with autologous fascia lata 1986: OU: Suspension from frontalis with autologous fascia lata Recession IRM 6 mm, Recession of conjunctive 6 mm 1987: RE: Suspension from frontalis with autologous fascia lata LE: Recession MRM 8 mm 1988: OU: Entropion correction 0 0 0 0 2 2 1 1 Sex Age Pre-surgery 0 III : 3 F 15 3 0 0 F 13 0 III: 7 F M 9 0 0 0 0 0 0 III 0 0 0 0 2 0 2 0 0 0 0 1995: OU: Resection SRM 8 mm 1997: OU: Suspension from frontalis with autologous fascia lata OU: Recession LRM 4 6 mm 1995: OU: Recession IRM Conjunctival recession 1996: OU: Resection SRM 6 mm 1997 : OU: Suspension from frontalis with autologous fascia lata LE: Up Transposition muscular belly MR 7mm Up Transposition muscular belly LR 7mm 1998 : OU: Recession IRM 5 mm, Conjunctival recession Recession LRM 7 mm 1999 : OU: Resection SRM 3 mm 2000: OD: Resection MRM 6 mm 0 0 0 2 III 2 0 0 0 0 2 0 0 III 0 III 0 III 0 0 0 0 F III 0 8 0 III : 8 III 0 0 0 0 3 0 0 0 III 1989: OU: levator resection 8 mm by conjunctival approach 1996: OU: Recession IRM 5 mm Conjunctival recession 4 mm RE: Recession LRM 8 5 mm LE: Recession LRM 5 5 mm 0 0 1 Type of surgery 0 0 0 0 III: 5 0 0 0 3 0 0 LE 0 1 0 0 III: 4 0 0 3 RE 2 II II No surgery After surgery 0 0 0 3 3 0 RE LE 0 1 3 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 II III III III 1 2 0 0 II 0 0 0 0 III 0 0 0 I 0 0 0 0 3 0 I 0 Legend The black dot indicate pupillary position with the head held straight ( primary resting position ). 3= full range of movement; 2= moderate restriction, 1= marked restriction; 0= no movement. OU, both eyes; RE, right eye; LE, left eye; IR, inferior rectus; SR, superior rectus; LR, lateral rectus; MR, medial rectus; SO, superior oblique; IO, inferior oblique. (The pupillary position diagram is taken from: ” The Engle Laboratory”, Division of Genetics, Children’s Hospital. Boston)