Enrollment options

Light and vision are key factors in the success of visual testing. Detecting discontinuities depends on how well a technician can see them, which is influenced by the quantity and direction of light.

Learning  Objectives
  • Describe the physics of light
  • Understand the difference between artificial and natural light sources
  • Recognize the effect of different amounts of light and light direction on visual testing
  • Define key terms related to light and vision
  • Know how to measure illumination
  • Understand reflected and refracted light
  • Learn about different types of lenses
  • Describe how the human eye processes light
Language: English
Estimated Time (Hrs.): 2.6
Micro-module: No
Self enrollment (learner)
Self enrollment (learner)