Table 1. Definition of scoring by visible eye pathology.

Score	Definition for each eye side	Examples
0	Normal eyelid, round eye shape
1	Slightly swollen eyelid, slightly distorted eye shape
2	Swollen eyelid, reduced eye size (~ a half)
3	Swollen and injured eyelid, discharge in eye, reduced eye size (a half ~ a quarter)
4	Below a quarter of eye size or closed eye