Presumed Virus-Induced Punctal Occlusion

Table 1

Punctal occlusion grading^*.

Grade	Clinical findings
0	No papilla and punctum
1	Papilla is covered by exudative membrane, true membrane, or fibrosis.
2	Punctum is less than normal size but recognizable
3	Normal punctum size
4	Punctum size less than 2 mm
5	Punctum size larger than or equal to 2 mm

According to: M.B. Kashkouli et al. [6].