1 / 10

Waves, Light & Sound

Waves, Light & Sound. Light & Color Recap , Wrap-Up & movin ’ on. How do we see?. Light passes through the cornea Through the aqueous humor Through the pupil Through the lens Through the vitreous humor And then is detected by the rods & cones of the retina.

carlo
Download Presentation

Waves, Light & Sound

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Waves, Light & Sound Light & Color Recap, Wrap-Up & movin’ on

  2. How do we see? • Light passes • through the cornea • Through the aqueous humor • Through the pupil • Through the lens • Through the vitreous humor • And then is detected by the rods & cones of the retina

  3. How light is focused depends on… • the shape of the • cornea • lens (which changes) • eyeball

  4. Light images are • Upside down on the retina • Transmitted to the brain by the optic nerve • Flipped by the brain so we see them right side up

  5. If images aren’t focused correctly… • Vision problems occur • Myopia (nearsighted) • Only see things close to you • Hyperopia(farsighted) • Only see things far away from you • Presbyopia • Farsightedness in old people • Astigmatism • Blurred vision

  6. Colors • White is ALL colors of light reflected back at you • Black is all colors of light absorbed and NONE reflected back at you • When an object has color, you see that color reflected the most • Eg: a red apple appears red because only red light is reflected back at you

  7. Primary Colors of Light • Red • Blue • Green

  8. Colors that Cones can sense: • Red • Blue • Green (Are you SEEING a pattern here?)

  9. Primary Colors of Pigments • Dyes added to make colors • Cyan (blue) • Magenta (pink) • Yellow

More Related