Table 1.

Topical endoscopic fundus imaging (TEFI) scoring criteria.

Score	Optic disc	Retinal vessels	Retinal tissue infiltrate	Structural damage
1	Minimal inflammation	1–4 mild cuffings	1–4 small lesions or 1 linear lesion	Retinal lesions or retinal atrophy involving 1/4 to 3/4 retina area
2	Mild inflammation	>4 mild cuffings or 1–3 moderate cuffings	5–10 small lesions or 2–3 linear lesions	Pan retinal atrophy with multiple small lesions (scars) or <3 linear lesions (scars)
3	Moderate inflammation	>3 moderate cuffings	>10 small lesions or >3 linear lesions	Pan-retinal atrophy with >3 linear lesions or confluent lesions (scars)
4	Severe inflammation	>1 severe cuffing	Linear lesion confluent	Retinal detachment with folding
5	Not visible (white-out or extreme detachment)	Not visible (white-out or extreme detachment)	Not visible (white-out or extreme detachment)	Not visible