Ultraviolet rays in many provinces and cities are very harmful in the first 3 days of next week

Ultraviolet rays in many provinces and cities are very harmful in the first 3 days of next week - Photo 1.

On hot days, when outdoors, people should wear sunglasses that block at least 99% of ultraviolet rays – Photo: CHAU TUAN

In the northern provinces and cities, the UV index is at a high risk of causing harm.

In the Southern region, the UV index is at very high damage in the first day of week 13-9, then decreased to high risk in the next 2 days. Particularly in Ca Mau city (Cau Mau province), ultraviolet rays remained at a high risk of harm for all 3 days.

According to the recommendations of the World Health Organization, when the UV index is 8-10 (very high), if the skin is in the sun for about 25 minutes, it can be burned. UV level 11 or higher (danger), skin is at risk of burns if exposed to the sun for about 10 minutes without protection.

Doctors said that when the impact of ultraviolet rays is very high, along with the increase in many people having to work online on electronic devices due to the COVID-19 epidemic, the most common problem people face is dry eye.

To protect eyes, experts recommend that each person should eat more nutritional sources that provide essential nutrients for the eyes such as fish oil, omega 3, colored vegetables such as watercress, tomatoes, etc. Gac fruit, papaya, drink enough water, wear goggles, limit going out at noon.

When outdoors, people should wear sunglasses that block at least 99% of UV rays. Sunglasses can help prevent cataracts, as well as wrinkles around the eyes. It’s best to ask your ophthalmologist for the right glasses.

In addition, people need to have a reasonable diet to enhance vitamins and minerals from fruits; Limit fried and fatty foods, control your lifestyle, exercise regularly, rest on time, avoid staying up late, stress… Especially each person needs to ensure adequate rehydration with 2- 2.5 liters of water/day.

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