Ladybird Readers Beloved twins Topsy and Tim find fun and adventure in the real world. Their engaging stories are reassuring for young children having first experiences of their own.In Topsy and Tim: Have Their Eyes Tested, the twins have an eye check at school, Topsy visits the optician"s for extra tests and little Stevie Dunton needs glasses. Showing the latest eye test procedures and equipment, and approved by a Boots Opticians specialist, this book is perfect for sharing with any children who need their eyes tested.