Lenses ought to by no means be worn whereas swimming, even in a chlorine pool, was optometrist, John Dreyer’s first bit of recommendation.

The eye physician elaborated: "Chlorine can kill most germs, but not all of them, meaning that bacteria can be absorbed into your contacts and cause damage to your eye.

"This can vary from delicate eye irritation to eye infections, and even result in corneal ulcers in additional excessive instances."

You may know that sunglasses shield your eyes from the sun, but don't assume the darker the sunglasses, the better.

"Dark sun shades that don’t block UV rays may cause extra hurt to your eyes than not sporting sun shades in any respect," warned Dreyer.

"The darkish lenses make your pupils dilate wider, permitting extra daylight to come back in than for those who didn’t have glasses on."

Dreyer recommended opting for sunglasses that are labelled as "100% UV safety".

He explained: "Your eyes can burn within the solar, identical to your pores and skin."

Dreyer elaborated: "Photokeratis is momentary, however painful, injury to the cornea and conjunctiva, which is the clear layer of tissue that covers the whites of your eyes.

"It's caused when eyes are exposed to excessive sunlight and heat, and can lead to pain, headaches, light sensitivity, and even temporary loss of vision.

"The signs often disappear inside 48 hours, however might be minimised with correct UV safety."

When it comes to wearing contact lenses, one thing you don't really have to be concerned about is cooking on a barbecue.

Dreyer explained: "Contact lenses undergo a disinfection course of throughout manufacturing, referred to as autoclaving.

"This is where they're placed into boiling water, at a temperature of around 121°C.

"The lenses survive this course of, in order that they wouldn’t soften when you're cooking on a barbecue."

The smoke from a barbecue, nevertheless, may result in teary eyes, which will increase the danger of the contact lenses falling out.