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Structure and working of eye

Crossword hints:
The ability of the eyes to change the shape of the lens and focus on distant and near objects., Change in the diameter of pupils to control the amount of light entering the eyes., The part of the retina which is not sensitive to light., This layer supplies food and oxygen to the cells in our eyes., The curved, transparent front part of the eye., We do this to spread the tear on our eyes., The part of the retina where concentrations of cone cells are the highest., The shape of the lens when focused on a distant object, Kills the bacteria and moistens the eyes., Carries impulses from retina to brain, The white, opaque part of our eyes., Regulats the amount of light entering the eye., These cells give us black and white vision, and help us to see in dark, Jelly like fluid behind lens, Focuses te light on the retina., These cells help us to see colours, but work in bright light,

Crossword words:
PUPIL, RODS, VITREOUS, SCLERA, ACCOMMODATION, THIN, CHOROID, CORNEA, LENS, BLINK, BLIND SPOT, PUPIL REFLEX, TEAR, FOVEA, OPTIC NERVE,