Notation	Name	Description	Status
0	Eye has first become visible during the past 30 minutes		stable
1	No significant change in the characteristics or size of the eye		stable
2	Eye has become smaller with no other significant change in characteristics		stable
3	Eye has become larger with no other significant change in characteristics		stable
4	Eye has become less distinct with no significant change in size		stable
5	Eye has become less distinct and decreased in size		stable
6	Eye has become less distinct and increased in size		stable
7	Eye has become more distinct with no significant change in size		stable
8	Eye has become more distinct and decreased in size		stable
9	Eye has become more distinct and increased in size		stable
10	Change in character and size of eye cannot be determined		stable
15	Missing value		stable