Table 2.

Leakage grading at 12 weeks from PDT and classification of its source

	Source of leakage
Grading of leakage	From classic component	From occult component	From both components	Total eyes
Progression	9	3	4	16
Moderate	4	2	5	11
Minimal	4	2	1	7
No leakage	–	–	2	2