(B) Strategy responses at patient level for the four programmes.

			Humphrey						Octopus
			24-2			30-2			I2e			I4e			Overall
Method	Sub-method	Visual loss (eyes)	0	1	2	0	1	2	0	1	2	0	1	2	0	1	2
Humphrey	24-2	0	–	–	–	7	0	0	0	1	6	2	0	5	0	0	7
		1	–	–	–	0	1	5	0	0	6	0	1*	5	0	0	6
		2	–	–	–	0	0	37	0	0	37	0	1	36	0	0	37
	30-2	0	7	0	0	–	–	–	0	1	6	2	0	5	0	0	7
		1	0	1	0	–	–	–	0	0	1	0	0	1	0	0	1
		2	0	5	37	–	–	–	0	0	42	0	2	40	0	0	42
Octopus	I2e	0	0	0	0	0	0	0	–	–	–	0	0	0	0	0	0
		1	1	0	0	1	0	0	–	–	–	0	0	1	0	0	1
		2	6	6	37	6	1	42	–	–	–	2	2	45	0	0	49
	I4e	0	2	0	0	2	0	0	0	0	2	–	–	–	0	0	2
		1	0	1	1	0	0	2	0	0	2	–	–	–	0	0	2
		2	5	5	36	5	1	40	0	1	45	–	–	–	0	0	46
	Overall	0	0	0	0	0	0	0	0	0	0	0	0	0	–	–	–
		1	0	0	0	0	0	0	0	0	0	0	0	0	–	–	–
		2	7	6	37	7	1	42	0	1	49	2	2	46	–	–	–

Visual loss (eyes): 0 = no visual loss; 1 = visual loss in one eye; 2 = visual loss in both eyes.

*Humphrey 24-2 and 4e Octopus found visual loss in different eyes.