Low Vision Online  

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Simply move your mouse over the animation or simulation box to observe the changes in the picture. There is no need to click the mouse.

Always close the window before continuing reading the website.

If you are still having problems check the minimum standards to use this web site.


Checkpoints are designed to extend your knowledge.

They open a new window on your computer. Always close the window before continuing reading the web site.

Movie Clips

Click on the link to start the movie. This will open a new window or movie viewing application on your computer. If you are having problems viewing the movie make sure you have the most up to date version of Quicktime.

Always close the window before continuing reading the web site.


The top navigation (Low Vision, Eye Care, Vision Screening etc) reflect the main chapters in this tutorial. The left navigation shows subheadings within each.

next page

Moves forward to the next page

last page

Returns to the last page you were on


Goes to the top of the page


At the end of each chapter is a quiz which tests the core principles you should have learnt in the chapter. A number of statements are made and you are requested to indicate whether they are "true" or "false".

Minimum Standards

This site is ideally viewed with Internet Explorer 6.0 or above or Netscape Navigator 4.78 or above.

Flash is utilized on this site and the plugin must be downloaded to view some animations.

This site adheres to W3C standards for HTML 4.01 Transitional.
Valid HTML 4.01! Valid CSS!