Sam Blumenfeld strongly believed that dyslexia was caused by the Look-Say method or reading. Just recently, a mother told me that Sam’s Alpha-Phonics cured her son of dyslexia. Here is a link to a speech that Sam gave on the subject:
http://blumenfeld.campconstitution.net/Audio/Look-Say%20Causes%20Dyslexia.htm
The Blumenfeld Archives