 Treatment involves adjusting teaching methods to meet the person 's needs . While not curing the underlying problem , it may decrease the degree of symptoms . Treatments targeting vision are not effective . Dyslexia is the most common learning disability , affecting 3 – 7 % of the population ; however , up to 20 % may have some degree of symptoms . While dyslexia is more often diagnosed in men , it has been suggested that it affects men and women equally . Dyslexia occurs in all areas of the world . Some believe that dyslexia should be best considered as a different way of learning , with both benefits and downsides . 
