Table 1 Clinical characteristics of participants

Levator function (mm)

13

8–16

2

Muller resection (mm)

8.4

4–12

1.5

MRD1 normal preop (mm)

3.7

2.3–5.5

0.7

MRD1 ptotic preop (mm)

2.5

1–4

0.8

MRD1 normal postop (mm)

3.7

2.3–5.5

0.7

MRD1 ptotic postop (mm)

3.7

2–6

1.0

Ptosis amount (mm)

1.2

1–2

0.4

Ptosis correction (mm)

1.3

0.3–2.8

0.6

1 mm correction effect

0.15

0.05–0.34

0.08

Postop-difference (mm)

0.0

-1.8-0.8

0.6