role of rods and cones in vision

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
role of rods and cones in vision	0.99	0.4	6563	77	32
role	1.37	0.9	7180	62	4
of	1.78	0.2	9534	70	2
rods	1.86	0.1	9639	54	4
and	1.61	0.4	2864	65	3
cones	0.9	0.6	1453	73	5
in	1.56	0.4	4237	14	2
vision	1.49	0.7	6977	93	6

Keyword	CPC	PCC	Volume	Score
role of rods and cones in vision	0.1	1	2789	20
what is the role of rods and cones in vision	0.48	0.7	1240	6
purpose of rods and cones in eye	1.09	0.5	8734	69
function of rods and cones in eye	1.2	0.6	4374	96
cones and rods are to vision as	1.61	0.7	4923	65
retina function and rods and cones	1.19	0.3	3576	84
vision rods and cones	0.94	0.3	7557	68
rods and cones of eye	0.13	1	3475	5
retina rods and cones functions	1.23	0.4	4063	46
rods and cones color vision	1.2	0.5	4461	66
functions of rods and cones	1.84	0.6	2627	30
rod and cone vision	0.71	0.2	9909	11
rods and cones function	0.11	0.2	9471	18
what are rods and cones responsible for	0.61	0.7	4229	52