Optics and Optical Illusions - How do our eyes perceive light?
How do our eyes perceive light?
The eye has a lensA piece of transparent material with two curved surfaces that bend rays of light passing through it. that focuses light onto a light-sensitive surface at the back of the eyeball, called the retinaThe light-sensitive part of the eyeball that receives images and transmits visual impulses through the optic nerve to the brain.. The retina then sends nerve impulses to the brain, which the brain interprets as images.
The lens in your eye is made of membranes and fluid, while the artificial lenses used in telescopes and cameras are glass or plastic. A lens must be made of a transparent material so that it can transmit a beam of light, forming an image.
What questions do you have about light and how we see it? You will have an opportunity to...
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