Table 1: Scoring system of global akinesia [16].

Akinesia of Extra Ocular Muscles Including Levator Muscle
0: 0-1 mm movement in 1 or 2 main directions or 0-4 mm movement in levator muscle
1: 1 mm movement in > 2 main directions, 2 mm movement in any main direction, or > 4 mm movement in levator muscle
2: > = 2 mm movement in any main direction or 2 mm movement in 2 or more main directions