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(i) Have high concentration of cones for visual acuity;
(ii) Have tough corrective tissues which helps to support and protect other parts
of eye ball;
iii). Have cilliary muscles whose contraction and relaxation alters the tension exerted on suspensory ligaments; thus the curvature of lens.
johnson mwenjera answered the question on February 10, 2018 at 06:49
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