Color Blindness Issues and Problems:
Colorblindness is usually a genetic condition, but it can also be caused by injury, disease, or the aging process. As people age, their corneas typically turn yellowish, making it difficult to see violet and blue colors.
Navigation Issues and problems:
Making your navigation consistent helps all users to find their way around your site. Whether you choose to put your links across the top, down the left or right side, or somewhere else is up to you, but make them easy to find and use.
This issue is not a new one, but there is still a great deal of confusion out there about what makes a Web site accessible and why it matters. If you don't think this topic is important, consider this:
Accessibility is not a new issue, but there is still a great deal of confusion out there about what makes a Web site accessible and why it matters. If you don't think this topic is important, consider this: