(a) They contract and relax, to alter the size/ diameter of ciliary ring which ring which alters the shape of lens
(b) Rods
i) Perceives light of low intensity
ii) Not Sensitive to colour
iii) Have low visual acuity since they have retinal convergence
Cones
- Perceives light of high intensity
- Sensitive to colour
- Have high visual acuity since they lack retinal convergence.
johnmulu answered the question on May 24, 2017 at 06:01
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