Consider this: if you've never seen the color blue, and didn't know what items were colored blue, could you describe it? Isn't it difficult to accurately convey something you don't have a point of reference to?
Luckily, advancements in technology are helping us more and more fully understand and even experience how someone with a learning disability sees the world.
If you'd like to see what it's like for your child with dyslexia, for example, check out this link. In it, you'll see a powerful representation of just how hard it can be for someone with dyslexia to read.