My now 15 year old went to the irlen clinic at the newcastle uni when he was in kindy as he was reading backwards and was writing mirror image so if you turned the paper over it would be correct but he actually would write it back the front anyway he was tested and it took a few visits until he found blue lenses helped him so we ordered the blue lenses it took a few weeks to get them and then our optometrist put them in a pair of glasses he picked he wore them for 3 years and now his reading is way above average his writing is still not so great it is tiny and very hard to read but the right way around.