Explain about dyslexic users? Suggest several ways of interaction with interface for those users.

Dyslexic users are individuals who have dyslexia, a learning disorder that affects a person's ability to read, spell, write, and speak. People with dyslexia often have difficulty with phonological processing, spelling, and/or rapid visual-verbal responding. It's important to note that dyslexia is not a reflection of a person's intelligence. In fact, many people with dyslexia have average or above-average intelligence.

When designing interfaces for dyslexic users, there are several strategies that can be employed to improve their interaction experience:

1. Use of Simple, Clear Fonts: Dyslexic users often find certain fonts easier to read than others. Sans-serif fonts, like Arial and Verdana, are usually preferred over serif fonts. The letters should be well spaced and not too condensed.

2. Color and Contrast: High contrast between text and background can make reading easier. However, very bright colors can cause strain, so it's best to use softer shades. Some dyslexic users find certain color combinations, like blue text on a yellow background, easier to read.

3. Text-to-Speech Functionality: This feature allows text to be read aloud, which can be very helpful for dyslexic users.

4. Avoid Blocks of Text: Large blocks of text can be overwhelming and difficult to read for dyslexic users. Breaking up text into smaller sections, using bullet points, and including images can make content more digestible.

5. Use of Predictive Text: This can help dyslexic users by reducing the amount of typing required and helping with spelling.

6. Spell Check and Grammar Check: These tools can be very helpful for dyslexic users when they are inputting text into the interface.

7. Allow for Personalization: Allowing users to customize their interface can be beneficial. This could include changing the font size, the colors, or the layout to suit their individual needs.

8. Provide Clear Navigation: A well-structured and predictable interface can help dyslexic users navigate the site more easily.

Remember, it's important to involve dyslexic users in the design and testing process to ensure the interface meets their needs.