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Light and the Human Eye (Vision)

Physical Science - Middle School

 
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Light & th e Human Eye The Human Eye Light enters your eye through the cornea and then the pupil. A lens behind the pupil forms an upside down image on the lining of the back of your eyeball, called the retina. The retina is made of two types of specialized cells, rods and cones. Rods respond to light, while cones respond to color. These cells send the image information along the optic nerve to the brain. The brain interprets the information and you see the image. rod cone specialized receptor cells retina light normal too short too long Vision Problems If your eyeball is too long or short, the image on the retina is out of focus. Glasses and contact lenses correct these types of vision problems. © Copyright NewPath Learning. All Rights Reserved. 94-4483 Visit www.newpathlearning.com for Online Learning Resources. specialized receptor cells pupil cornea cornea rod cone optic nerve vision center lens
© Copyright NewPath Learning. All Rights Reserved. 94-4483 Visit www.newpathlearning.com for Online Learning Resources. Pause and Review Label the images below and indicate which specialized receptor cells respond to light and which respond to color. Light & th e Human Eye