by Robin Mumford While the causes of developmental delays are very complex and require intervention on many fronts, simply changing the lighting can be a beneficial addition to other forms of treatment.  Many children are excessively sensitive to the quality of the lighting and may overreact. Light sensitivity and autism, ADHD, SPD and developmental delays is common. This hypersensitivity is complicated by visual stress-­producing factors that overload their visual environment and confuse their eyes and brains.  To create this effect, you need not flash strobe lights.  You need only combine mobiles hanging from the ceiling with busy bulletin boards and over-crowded cubbies. Usually children are quite unaware of the origin of their discomfort.  Added to environmental stress are symptoms of below-par visual skills that many of these children have: Rapid fatigue, while reading or looking at a picture book. Tendency to lose the place on the page Tendency to read too quickly, with poor pronunciation and little recall of what…