I went to a local optician (short sighted, easy prescription) and when I collected my glasses he told me “glasses are like false teeth, you must wear them all the time, don’t take them off”. Outside the shop I found I was standing on a hill, the buildings round me fell away alarmingly and I was scared to step off the kerb. I went back. He said there was nothing wrong with his prescription, it was that my brain couldn’t cope with it! I demanded my old glasses back, he said they had just been destroyed. I went to another optician. This one said “there’s nothing wrong with YOUR brain, it’s his! He said in order to get my money back I had to make a complaint which he would support. I eventually did get my money back and have been with Boots Opticians ever since,