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Accomidation - Coggle Diagram
Accomidation
Responses of the eye
close objects
Ciliary muscles contract
Suspensory ligaments slacken
Lens gets thicker (more rounded)
Light rays refracted more.
Light rays focus on the retina
Far objects
Ciliary muscles relax
Suspensory ligaments tighten
Lens becomes thinner (less rounded)
Light rays refracted less
Light rays focussed on retina
sight
hyperopia (long sightedness)
result on vision
Can focus on close objects but not far objects
Cause
Lens too thick
Eyeball too long
Where light rays are focussed
Correct with…
Explanation of correction
myopia (short sightedness)
result on vision
Can focus on far away objects but not close objects
Cause
Eyeball too short
Lens too thin
Where light rays are focussed
Correct with…
Explanation of correction