Most common questions used to investigate
Do you know the different types of UV radiation?
Do you know that there are variations in UV exposure?
Do you know the best way to protect yourself from the sun?
Do you wear sunscreen?
do you know to choose the right sunscreen?
Common conclusions
Understanding the different types of UV radiation is necessary to stave its effects. There are three kinds of UV radiations, namely, UVA, UVB, and UVC. UVA has the longest wavelength and it is known to have the most impact on your eyes as it can impact your vision including the retina. UVB has a shorter wavelength and it impacts your skin and the front part of your eyes like cornea and lens. UVC is the shortest and it doesn't reach the earth at all since it gets trapped by the ozone layer.
The good news is that UV exposure is not constant and varies due to many factors. The first reason is the time of the day as UV exposure is highest between 10 AM and 4 PM. It is stronger during summer and spring, though this factor is not applicable if you live near the equator. Of course, the farther away you're from the equator, the lesser impact it has on your skin and eyes. Cloud cover and reflection off surfaces like water, sand, and pavement reduces exposure.
The best option to prevent UV radiation is to stay in the shade, away from sun exposure. You can wear a shirt to limit exposure and when you wear long sleeves, you will get more protection. Also, consider wearing a hat to limit exposure and sunglasses can protect your eyes and the delicate skin around the eyes.
Sunscreen is a cream/spray that you put on your skin to avoid UV exposure to it. At the same time, it's important that this sunscreen is more a filter as it does not block all the UV rays. This means that sunscreens are necessary to limit exposure and are the first line of defense against UV radiation. It comes in many forms such as lip balms, sprays, gels, ointments, and more.
Buy sunscreen that offers maximum protection, typically a sun protection factor (SPF) of 30 or more. It means you will get the effect of one minute of exposure while wearing it for 30 minutes. But it's important to understand that no sunscreen protects completely.
Great! Also, check for its expiration date before applying.
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