Table 2.

 Patient distribution according to histopathology and centre

	NYPH	HPG	Combined
Period	1980–2001	1987–2001	1980–2001
Patients (total/evaluable)	111 (84)	152 (140)	263 (224)
Intraretinal disease	48	36	84
Prelaminar optic nerve	15	15	30
Anterior chamber invasion	1	1	2
Choroidal invasion	10	45	55
Post-laminar optic nerve	7	29	36
Cut end invasion	2	10	12
Scleral invasion	1	4	5