Table 3.

Categorization of positive clinical signs at physical examination.

Categorization of the clinical sign		Right eye	Left eye
Types of corneal infiltration	1/3 Upper	0	0
	Central	3 (2.9%)	4 (3.9%)
	1/3 lower	19 (18.4%)	15 (14.6%)
	No ulcer	81 (78.7%)	84 (81.5%)
Eye movement limitation	In all directions	60 (58.2%)	60 (58.2%)
	Outside	8 (8.7%)	18 (17.5%)
	Inside	20 (19.4%)	12 (11.7%)
	Upward	9 (8.8%)	8 (7.8%)
	Downward	0	2 (1.9%)
	Up and inside	3 (2.9%)	0
	Down and inside	0	0
	Up and outside	1 (1%)	0
	Down and outside	0	1 (1%)
	Unlimited	2 (1.9%)	2 (1.9%)