Visual dyslexia is another name for visual processing difficulties also referred to as Visual Stress, sometimes known as 'Scoptic Sensitivity Syndrome' or 'Meares–Irlen syndrome'. See http://www.dyslexia-eye.co.uk for more information.
Research shows Visual Dyslexia can be helped by
using coloured overlays and precision-tinted lenses from a behavioural Optometrist. See http://www.visualanswers.co.uk/ for more information.