Image showing a young African male wearing sunglasses, Image Credits: Freepik
By: Ipsita Roy, M.Sc. (Systems Biology), DLHA Volunteer and Freelance Health writer. Medically reviewed by: the DLHA Team.
We all may wear sunglasses as a fashion statement or as a way to elevate our look, but did you know that sunglasses are really important for eye health? It helps protect your eyes and prevents many complications and disturbances in vision. This is even more important for people living in Africa, as the sunlight here can be really intense due to Africa’s geographical position. The equator passes right through the centre of Africa, which means that Africa receives a lot of sunlight.
Read on to find out 10 health reasons why you should wear sunglasses everyday whenever you are outdoors in Africa.
AI generated photo of a cheerful looking young African couple posing together and wearing sunglasses to protect their eyes in a bright sunny outdoor environment. Image Credit: Chatgpt
The equator passes right through Africa, which means compared to the rest of the world, Africa receives much more sunlight. In an already sunny environment, the presence of sandy areas which reflects more sunlight, can affect the vision long term by exposing you to more UV rays.
AI generated image showing an African farmer man wearing wrap-around sunglasses and a bandana straw hat in a very hot and dusty frm environment. Image Credits: Ocreate
It can get really dusty in areas which are hot and dry. In such an environment, if the eyes are not protected enough, the dust particles can enter and cause irritation to the eyes. When hot winds blow through, the eyes require protection from the dust and debris the wind carries.
image showing a professional looking African male suffering from eye-strain induced headache from being in a sunny environment. He is holding his head with both his hands. Image Credit: Pexels
Some people suffer from migraines or headaches due to sensitivity to light. They can get headaches while being out and about or even from staring at screens for too long.
Image showing an African man sitting on a bench outside a health clinic with eye discomfort, and a black sunglass worn over his cap. His eyes are red and watering, shown in the cartoon zoomed inset. He may be suffering from sunburn eyes. Image Credits: Nano banana Gemin
When your eyes are exposed to the sun for an extended time, it can cause short and long term damage.
Short term damage to the protective layer of the outer surface of your eyes, called the cornea causes redness, itchy sensation, watering of the eyes, and even swelling, a condition known medically as photokeratitis.
Photokeratitis is usually temporary and lasts for 24-48 hours.
Long term damage includes chronic inflammation or non-cancerous tissue growth from the white of the eyes across your cornea (pterygium). These conditions happen due to exposure to harmful UV rays of the sun.
If you can, avoid sun exposure during peak hours (10 AM to 4 PM)
Close up of an eye showin a fleshy tissue (surfer's eye or pterygium) growing from the white corner of the eye towards the centre of the eye
Prolonged exposure to sunlight, causes growth of a fleshy tissue from the corner of the white of the eyes towards the centre of the eyes. Commonly known as the surfer’s eye or the “pterygium”, it can affect vision and lead to irritation and redness. It happens mainly to people who work outside, exposed to the glare of the sun, like farmers, divers, fishermen etc.
How to prevent Surfer’s eyes:
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An image showing an African man’s side profile and indicating the transparent, raised part of the eye called cornea Image Credits: Canva
The cornea protects the lens of the eyes from UV exposure, as well as from dust and other elements of nature. It is like the first filter against the natural elements, protecting our eyes. But prolonged exposure to sunlight can harm the cornea and damage its functions.
An image showing the partial face of an African woman suffering from cataract. The eye looks glassy. Image Credits: Nano Banana Gemini
Cataract is a condition where the eye lenses become cloudy due to damaged protein of the lenses. Cataracts are caused by many reasons like ageing, genetics, diabetes, and others. People with cataracts in their eyes cannot see properly. To a person with cataract, it seems like there is a haze in front of the eyes, where the details of objects are not clear at all. UV light exposure worsens the damage in of eye lenses due toin cataracts even faster.
Image showing an African man suffering from glaucoma and sitting inside a health facility. The eyes look hazy and red. Image Credits: Nano Banana Gemini
Glaucoma is a group of conditions where the optic nerve that carries information about the external environment from the retina to the brain, gets damaged due to high fluid pressure within the globe of the eye.
The retina receives light and shadows from the environment, converts them to electrical signals which the optic nerve carries to the brain, for us to “see”.
The exact cause of glaucoma is unknown but risk factors include, age, race, genetics, certain eye conditions, medications, and lifestyles and medical conditions that raises fluid pressure with the eyes.
