A magnifying glass may conjure up visions of a Victorian detective puffing pipe smoke down a dimly lit alley, but they’re not just a prop to include in your next Sherlock Holmes-inspired fancy dress ...

Farsightedness is a condition that causes your close-up vision to become blurry or distorted, while you can see objects at a moderate or far distance perfectly well. Luckily, you don’t need to suffer ...