1 / 50

2) Vision

The Special Senses. 2) Vision. 13 th edition Chapter 17 Pages 635 - 671. 12 th edition Chapter 17 Pages 598 - 633. Anatomy of the eye. Anatomy of the eye. Anatomy of the eye. Anatomy of the eye. Anatomy of the eye. Intraocular Fluid . Intraocular Fluid . Glaucoma. Retina.

ziya
Télécharger la présentation

2) Vision

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. The Special Senses 2) Vision 13th edition Chapter 17 Pages 635 - 671 12th edition Chapter 17 Pages 598 - 633

  2. Anatomy of the eye

  3. Anatomy of the eye

  4. Anatomy of the eye

  5. Anatomy of the eye

  6. Anatomy of the eye

  7. Intraocular Fluid

  8. Intraocular Fluid Glaucoma

  9. Retina Pigmented layer Photoreceptors Bipolar cells Ganglion cells Horizontal cell Amacrine cell

  10. Photoreceptors Cones Rods

  11. Photoreceptors Cones Rods

  12. Light Detection

  13. Light Detection

  14. Light Detection

  15. Light Detection

  16. Photoreceptors • Cones • Rods Photopsin : blue, green and red sensitive pigments Cones Rods

  17. Optics of Vision Light refraction

  18. Optics of Vision

  19. Optics of Vision

  20. Accommodation

  21. Vision problems

  22. Vision problems

  23. Visual acuity • Normally , people has the ability to distinguish contours that are approximately 1.75 mm apart at 6 meters distance from the eye

  24. Vision problems Astigmatism : irregular curvature of either the cornea or the lens, which lead to blurred or distorted vision due to parts of the image are out of focus.

  25. Light Adaptation Pupillary size

  26. Pupillary LightReflex

  27. Edinger-Westphal nucleus Olivary pretectal nucleus

  28. Light Adaptation Pupillary size Neural adaptation Photoreceptor adaptation

  29. Light Adaptation Pupillary size Neural adaptation Photoreceptor adaptation

  30. VISUAL PATHWAY

More Related