Course Description

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.

By the end of this course, you will be able to

• 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

Estimated completion time (hours): 2.6