How to protect your eyes from UV rays and digital light

How to protect your eyes from UV rays and digital light

By Ana Fernandez Updated:
Cómo proteger tus ojos de los rayos uv y la luz digital

We often remember to protect our skin with sunscreen, but we tend to forget that our eyes are even more sensitive to radiation. According to the American Academy of Ophthalmology (AAO), prolonged exposure to ultraviolet (UV) rays without protection can increase the risk of developing cataracts, macular degeneration, and eye growths such as pterygium.

In 2026, eye protection is no longer limited to the sun; it also includes defending against constant screen exposure, making comprehensive vision care a daily priority.

The invisible danger of UV radiation

UV radiation is cumulative. This means the damage your eyes receive today can manifest years down the line. Experts at the National Eye Institute (NEI) point out two main types of rays we must try to avoid:

  • UVA rays: these can pass through the cornea to reach the lens and the retina.
  • UVB rays: these are responsible for sunburns on the eye's surface (photokeratitis).

Tip for total vision protection

To maintain sharp and healthy vision, specialists recommend following these essential guidelines:

  1. 100% UV protection lenses: It is not enough for lenses to be dark. Ensure your sunglasses have a label indicating UV400 protection or that they block 100% of UVA and UVB rays.
  2. Wear wide-brimmed hats: these can block up to 50% of the radiation that reaches the eyes from angles that glasses do not cover.
  3. The 20-20-20 rule for screens: to reduce digital eye strain, every 20 minutes, look at something 20 feet away for at least 20 seconds. This relaxes the eye muscles and helps prevent wear and tear.

Nutrition and supplements for eye health

External protection should be complemented by internal nutrition that strengthens eye tissues. Certain carotenoids act as "internal sunglasses":

  • Lutein and zeaxanthin: these pigments accumulate in the macula and filter out harmful high-energy light. According to the American Optometric Association (AOA), they are fundamental in preventing age-related macular degeneration.
  • Vitamin A: crucial for maintaining a clear cornea and allowing us to see in low-light conditions.
  • Omega-3: helps maintain eye lubrication, preventing dry eye syndrome—a common issue caused by air conditioning and screen use.

Natural support from Santo Remedio

We understand that your vision is your window to the world. That is why we offer science-based solutions to protect it:

Vision +: our specialized formula contains Lutein and Zeaxanthin, the key antioxidants for filtering blue light and protecting the retina.

Conclusion: your eyes are irreplaceable

Prevention is the most powerful tool you have. Small steps—like wearing proper sunglasses even on cloudy days and nourishing your eyes with the right antioxidants—can make the difference between strained vision and healthy sight for years to come.

Let’s be healthier, together.

Your friends at Santo Remedio.

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