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How solar radiation affects our eyes

Most people think of the damage that sun rays can cause on their skin and buy sunscreens, sunscreens and creams to avoid as much as possible the terrible burns and injuries that summer often gives us. However, very few imagine that their eyes are also damaged by this radiation.

You do not believe me? Have not you felt after a delicious day at the beach the sight irritated or true tearing? Well, continue reading this article and you will learn how solar radiation affects our eyes.

What are solar radiation?

Solar radiations are those electromagnetic waves emitted by the sun whose spectrum goes from the infrared to the ultraviolet. Most of these rays are absorbed by the components of our atmosphere; but the rest comes to us regulating the temperature of the Earth, allowing the growth and development of plants and microorganisms and the production of crops, among many other benefits.

In the case of human beings, sunlight plays a key role in our lives, being responsible for producing certain forms of vitamin D, which regulates the incorporation of calcium in bones. However, these radiations can also be harmful to health, especially can damage the

In the case of the latter, ultraviolet radiation seems to have a greater incidence, which includes the wavelengths between 150 and 400 nm, although the visible radiation (from 400 to 780 nm.) And the infrared (from 780 to 1400 nm.) They can have negative effects.

Now I’m sure you’d like to know …

How do solar radiation affect our eyes?

How solar radiation affects our eyes

It is important that we take care of our eyes from the ultraviolet rays taking into account the many affectations that they may suffer. Then I present the most common, so pay attention and protect yourself!

Eye burns

Due to overexposure to the sun’s rays either directly or indirectly (reflection of these in water, ice or snow), our eyes suffer burns of varying degrees of severity, being particularly sensitive to the sun the cornea, the crystalline and the retina. The main symptoms of burns are:

  • Redness
  • Irritation
  • Lachrymation
  • Pain
  • Sensation of having sand in the eyes
  • Blurry vision
  • Sight loss


As a result of excessive exposure to sunlight this painful inflammation occurs in the eyes. The Ophthalmia of the snows turns out to be the most frequent caused by the reflection of the sun in the snow and the ice. The main symptoms of ophthalmia are:

  • Lachrymation
  • Temporary blindness
  • Inflamed eyelids
  • Pain before light


The sun’s rays turn out to be the triggering agent that causes the excessive growth of tissue on the cornea, in people with a genetic predisposition to this condition. The main symptoms of pterygium are:

  • Redness
  • Lachrymation
  • Foreign body sensation in the eye


People suffering from this disease suffer from a gradual darkening of the lens of the eye. In this way his visual acuity diminishes, often leading to the total loss of vision. According to the World Health Organization (WHO), 20% of cases diagnosed are related to prolonged exposure to solar radiation. In people who already suffer from cataracts, these radiations cause discomfort and glare. The main symptoms of cataracts are:

  • Dazzle
  • Progressive decrease in far vision
  • Cloudy or blurred vision or with spots
  • Black spots
  • Variations in the coloring of the pupils


The eye is a very sensitive organ, its exposure to ultraviolet radiation can cause the proliferation of cancer cells giving rise to benign or malignant tumors. There are no specific symptoms so if you notice lumps, changes in color or feel discomfort in your eyes, go immediately to the doctor.

What can I do to protect myself from the sun?

Although we have natural mechanisms of protection against the sun’s rays such as the contraction of eyelids and pupils and the filtering of light that the lens of the eye makes, they are not enough to protect us. That is why specialists recommend taking the following measures to keep our :

  • Avoid exposing yourself to sunlight from 10:00 a.m. to 4:00 p.m. because it is the period in which the radiations are most aggressive.
  • Use glasses or lenses with 99-100% protection against ultraviolet rays. See that they have the CE hallmark
  • Do not use sunglasses if it is not necessary and never do it in dark places, since by forcing the pupil to dilate unnecessarily frequently you can develop a long-term photophobia and become hypersensitive to sunlight.
  • Check at least once a year with the eye doctor.

And to finish…

How solar radiation affects our eyes

I can not stop offering you 3 remedies to relieve your eyes after a delicious day at the beach, even if you have protected yourself it is possible that the heat irritates them. I am sure that, after applying one of them, you will feel your sight renewed:

Remedy # 1: Aloe vera against inflammation

Aloe vera is very powerful against tired eyesight, inflammation and even cataracts. Cut the leaf of Aloe vera into large pieces and moisten a cotton ball in the clear liquid that secretes the plant. This cotton you will pass gently on the affected eyelid twice a day: in the morning and at night. Wait a few minutes and rinse with chamomile or rose water. Repeat the treatment until you are relieved.

Remedy # 2: Tomato against pain

The tomato is excellent against burns due to its high water content. Place a slice of fresh tomato in each eye for 5 minutes three times a day. Your inflammation will disappear.

Remedy # 3: Refreshing cucumber

Cucumber also has a high water content . If you want to refresh your tired eyes, place a thin slice of cucumber on each of them and you will see the results.

How solar radiation affects our eyes