Thanks everyone for your advice. We went to see the paediatric ophthalmologist today who agreed that he needed glasses BUT he lowered the script so that the glasses would help train his eyes rather than just make his eyes reliant on the glasses. He also said he didn't need to wear them full time, only for TV, school or any reading/writing he does at home. There is also a chance that he may grow out of it still (fingers crossed). DS is much more at ease with it now that he knows he doesn't have to wear them for sport or birthday parties LOL!