Ray tracing

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Ray tracing

Objectives After working through this chapter, you should be able to: Explain what a ray diagram is Draw an accurate ray diagram for a convex lens Draw an accurate diagram…

The reduced eye and spherical and cylindrical lenses

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on The reduced eye and spherical and cylindrical lenses

Objectives After working through this chapter, you should be able to: Outline all the important features of a reduced eye Outline the difference between a spherical refractive error and a…

Thin lenses

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Thin lenses

Objectives After working through this chapter, you should be able to: Define ‘thin lens’ and apply the vergence equations from chapter 2 to thin lenses Determine linear magnification of an…

Thick lenses

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Thick lenses

Objectives After working through this chapter, you should be able to: Define what a ‘thick lens’ is, and calculate how to measure thickness Understand the relationship between thickness, curvature of…

Basics of light and colour

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Basics of light and colour

Objectives After working through this chapter, you should be able to: Explain what light is in relation to the wave-particle duality Explain what the wavelength of light means in terms…

Imaging the eye and measuring refractive error

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Imaging the eye and measuring refractive error

Objectives After working through this chapter, you should be able to: Explain why it is difficult to see the back of the eye and the anterior angle without the help…

Kitchen thin film interference

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Kitchen thin film interference

Objectives After working through this chapter, you should be able to: Explain ‘thin film interference’ Explain why the interference pattern is colourful Produce a thin film demonstration of your own…

Below are some representative answers to the ‘Test Your Knowledge’ questions that appear at the end of every chapter. They’re designed to help you focus your learning, so make sure…

Create a ‘cornea’

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Create a ‘cornea’

Objectives After working through this chapter, you should be able to: Explain how the human eye focuses distant light on the retina Explain the different contributions of refractive index and…