表 3. Distribution of TAO extraocular muscle involvement in 2170 cases (3 799 eyes).

2170例（3 799眼）TAO患者眼外肌受累分布情况

Distribution	Number of involved extraocular muscles/eye (%)
	One	Two	Three	Four	Total
Monocular	365 (67.47)	103 (19.04)	55 (10.17)	18 (3.33)	541
Binocular	839 (25.75)	835 (25.63)	806 (24.74)	778 (23.88)	3 258
Total	1 204 (31.69)	938 (24.69)	861 (22.66)	796 (20.95）	3 799
χ 2	358.959	10.837	56.214	118.326
P	<0.001	0.001	<0.001	<0.001