Table 1.

A summary of published DA red flash ERG parameters

Data	Peak λ	Flash strength	DA duration	LED/Xenon
Auerbach and Burian [6]	Wratten 29 635 nm Wratten 70 650 nm	6 and 12 cd s m−2	5 min	Xenon @30 cm
Francois et al. [9]	Neon 570 nm	0.1 J		Neon 0.2 s (orange)
	x-wave 25–60 μV@40 ms
Iiyami and Yamaguchi [29]	Wratten 29 > 600 nm	86–112 cd s m−2	30 min
Kellner and Foerster [10]	Wratten 29 623 nm	Not stated		Xenon in Ganzfeld
Lovasik et al. [23]	Wratten 26 > 600 nm	2.37 cd s m−2	Not stated	Xenon in Ganzfeld
From figure		90 μV@50 ms
Mizunoya et al. [21]	LED 660 nm	0.17 cd s m−2	20 min	Contact lens Ganzfeld
Verdon et al. [19]	Wratten 26 > 600 nm			Xenon in Ganzfeld
From figure		@40 ms
Lim and Ohn [2]	Wratten 26 = 605 nm (Scot match—14Db blue)	2.4 cd s m−2	45 min	Xenon in Ganzfeld
Control data		172.4 µV@46 ms		N = 52 adult
Weleber [18]	Wratten 26 > 600 nm	Gr1, 4 and 16	30 min	Xenon in Ganzfeld
Control data	Burian Allen	Gr1 = 50 µV (25–75) @40–50 ms Gr4 = 150 µV@50 ms Gr16 = 325 µV (200–400) @ 50 ms		N = 24 adult
Kriss et al. [8]	Grass red	Gr4	5 min	Grass @30 cm
	Peak 670 nm
Control data	Skin electrode	14.3 (SD 4.9) µV@ 40.4 ms (SD 2.6) lower limit 4.5 µV @46.9		N = 30 over 5 m and adult
Chen et al. [22] abs	Espion	0.25 cd s m−2	20 min	LED
	color dome
	Peak 635 nm
Control data	a-wave	17.6 µV@19.8 ms		N = 37 adult
	x-wave	64 µV@50.7 ms
	b-wave	68 µV@72.9 ms
Hamilton and Graham [17]	Skin electrode	0.2–2.0 cd s m−2	20 min	N = 16 adults