Many individuals with dyslexia learn to read fairly well, but difficulties with spelling (and handwriting) tend to persist throughout life, requiring instruction, accommodations, task modifications, and understanding from those who teach or work with the individual.
Why can I read well but not spell?
Dyslexia. Dyslexia is a language based learning difference commonly associated with spelling difficulties and reading problems. However, it can also affect memory and processing skills. There are different kinds of dyslexia but the most common type makes it hard for people to split language into its component sounds.
Why can a student read but not spell?
The challenge of Visual Readers
Bright children who seem to cope with reading but spell badly are almost always visual readers. They can recognize the shape of common words from memory. Words they do not know they will skip or guess from cues like the first letter, the length of the word and the context.