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U3L6 Science

QuestionAnswer
Eyes convert what to let us see The part of the electromagnetic spectrum that humans can see
How can you see light It enters through our pupil,then to the lenses at the front of our eyes. It then travels through the vitreous fluid and then hits our retina, and then is transmitted to the vision centres of the brain
the function of the iris It controls the size of the pupil allowing more light to enter
the function of the lens in an eye They refract light then bend the light so then it hits the retina
Which structure is responsible for colour vision Cones
Laser eye surgery involves using precise lasers to Reshape the cornea
Which structure is responsible for black and white vision Rods
The thin layer at the front of the eye is called The cornea
The hole in an eye that allows light to enter is called The pupil
What detects light that enters your eye The retina
When the retina is stimulated how does it send messages to the brain By getting the optic nerve to pass messages to the brain
What happens when a pupil dilates It grows larger allowing more light to enter the eye
What is the function of the ciliary muscles They relax and contract to shorten and lengthen the lens, respectively
Created by: MUFU