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The heatwave explained by Varionet

What is the heatwave?

A heat wave is defined as a level of very high heat during the day and night for at least three consecutive days . The definition of a heat wave is therefore based on two parameters: heat and duration.

What are the risks associated with the heat wave?

If you are exposed to high heat for too long you risk severe fatigue , dehydration or heat stroke , see hyperthermia .

The most fragile people and those most exposed to heat are particularly at risk .

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Why eye protection glasses?

For many activities, it is advisable to wear protective glasses: pruning, sanding, painting, welding... people without visual problems put on eye protectors without corrections easily. On the other hand, the others, generally, keep their glasses and damage them! Hence the interest of premounted safety glasses for presbyopia in near vision where the prescription safety glasses Varionet.

Polycarbonate glasses

Polycarbonate lenses replace on many optical equipment organic lenses (plastic) or traditional mineral lenses because they are shock resistant, lightweight while being comfortable. A little history : Polycarbonate is a...