Purpose: To assess the reading and writing skills using colored overlays among special population. Methods: Cross-sectional, descriptive study in which 45 children from special population were recruited. Basic comprehensive eye examination and reading and writing skill, that has been carried by dynamic reader software test for writing skill and Yellow tint to check the reading speed with and without using coloured overlays. In other hand, test for the perceptual skills, a small questionnaire survey was carried out from the Teacher which was noted according to dyslexia conditions normal value (10-12), border line (13-24) & defective line (more than 24). Pre-validated & pre-designed questionnaire which was taken from college of optometrists in vision development