However, when you buy something through our retail links, Condé Nast may earn an affiliate commission.We’ve all been there: ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

Why are my eyes stinging?' and 'why do my eyeballs hurt?' are just two of the questions worried people are turning online for advice on, soaring by 60% and 50% respectively in the last three months.