SeerPharma Pty Ltd :: DISCover web-based training

Ophthalmology: Physiology

Description: The visual pathway is an intricate and elegant system that detects and processes light and then converts it into electrical signals that ultimately form visual images. This course covers the mechanisms involved in the process of vision. The intraocular physiology section discusses the perception of light rays and the transmission of light to the surface of the retina. The vision pathway section describes the process of refraction and the chemical reactions in the rods and cones that generate the nerve impulses transmitted to the occipital cortex to form images.

COURSE OUTLINE

INTRODUCTION
1. Course Information
2. Interface Tour
3. Course Overview

GROSS ANATOMY
4. Objectives
5. The Orbit
6. The Eye
7. The Anterior Chamber
8. The Lens
9. The Uveal Tract
10. Progress Check

MICROSCOPIC ANATOMY
11. Objectives
12. The Cornea and the Tear Film
13. The Retina
14. Progress Check

CONCLUSION
15. Summary

GLOSSARY/RESOURCES

COURSE OBJECTIVES

Students completing this course should be able to:

Describe the physiologic roles of the structures in the anterior segment of the eye, including the cornea, aqueous humor, pupil, lens, ciliary body, and choroid
Describe the physiologic roles of the structures in the posterior segment of the eye, including the vitreous humor and retina
Identify the differences between rods and cones
List the parts of the eye involved in the refraction of light
Explain the chemical reactions that occur in rods and cones when exposed to light
Discuss the transmission of graded potentials
Describe the crossing phenomenon that occurs in the optic chiasm

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