About us Branches & Opening times Eye care Spectacles Lenses Contact lenses Sports Eyewear Common eye problems Optical Illusion Corporate Schemes Contact us Home           Glaucoma Screening Retinal Imaging Diabetic Screening Visual Dyslexia Low Vision Clinic             Visual Dyslexia     Intuitive Coloured Overlay Testing is performed for patients who experience difficulty with reading., this test is performed separately from the eye examination and takes approximately half an hour. Some dyslexic patients benefit from the use of a visual tracking magnifier. Once the coloured overlay test is complete the rate of reading is recorded to compare speed with and without the overlay/magnifier, this confirms if an improvement is achieved.