Table 2.

Classification System of Image Outputs from Optometrist and AI Ssoftware.

Optometrist OS	Optometrist OD	Optometrist patient level
1	1	1
1	2	2
2	1	2
2	2	2
1	3	3
3	1	3
2	3	3
3	2	3
AI Software OS	AI Software OD	AI Software patient level
1	1	1
1	2	2
2	1	2
3	3	3
Optometrist patient level	AI Software patient level	Outcome
1	1	Agree
2	2	Agree
1	2	Disagree
2	1	Disagree
3	3	Ungradable (excluded)
3	1 or 2	Ungradable (excluded)
1 or 2	3	Ungradable (excluded)

1, non-referable; 2, referable; 3, ungradable.