Alternatively, your GP or medical practitioner may be able to prescribe you with drugs which, taken each year before hay fever season, might prevent allergic reactions. There are three main causes of conjunctivitis - viral, bacterial and allergic - so without knowing what type you’ve had it’s hard to determine whether or not you need a new pair of contact lenses.

If you put on eyeshadow or liner and notice it fades, creases, or looks messy in a few hours, then a primer could help," says Michelle Clark, senior national makeup artist for MAC Cosmetics.

Pro tip: allow the formula to dry for at least 30 seconds before applying makeup for the best results.

The services are available from the majority of local opticians (also known as optometrists), from the smallest independent practice to the largest national chains.This formula offers crease-proof and non-smudging benefits while boosting the color of your eyeshadow.