Keyword Analysis & Research: main function of rods and cones in the eye

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
main function of rods and cones in the eye	1.24	0.8	1979	86	42
main	0.65	0.7	3277	41	4
function	0.63	1	8045	96	8
of	1.22	0.1	3842	40	2
rods	1.2	0.3	5590	24	4
and	1.44	0.5	729	43	3
cones	1.24	0.7	1793	91	5
in	0.74	1	4908	82	2
the	1.3	1	1012	95	3
eye	1.05	0.8	7830	42	3

Keyword	CPC	PCC	Volume	Score
main function of rods and cones in the eye	1.17	0.8	2251	63