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Blog vivre sans lunettes

Artificial tears: the eyes protector

Tears of joy, tears of sadness or tears of crocodile. They often reflect our emotions or betray them … But they also have a key role in the health of our eyes and our vision. Tears, protective Eye’s liquid. These are the lacrimal glands under the eyelids that produce tears. They are secreted in several occasions: under the influence of an emotion, in the presence of a foreign body or …Read More

The best food for healthy eyes

Some foods have a direct impact on our vision. To safeguard our eye health, maintain an excellent view, and protect our eyes from diseases that could reach them, we should adopt a diet rich in components that have a direct impact on our vision. Carotenoids: Carotenoids are natural plant pigments that cause the vibrant colors of vegetables and fruits we enjoy everyday. Lutein and zeaxanthin, among others, seem to protect …Read More

Why do onions make us cry?

Without a doubt you’ve already asked yourself this question…..if yes this is the answer: The cells which constitute the onion contain sulfur and a substance, more specifically an enzyme called alliinase. This enzyme is released when the onion is cut and forms a substance that made us cry. By coming into contact with the eyes, the liquid that bathes in the corneas and is responsible for protecting the eyes alert …Read More


Cataract is a vision disorder characterized by blurred vision due to the clouding of the lens. The lens of the human eye functions as the lens of a camera. It is located behind the pupil, and its function is to focus light rays onto the retina. The optic nerve then transforms the images into electrical impulses and transmits them to the brain. A cloudy lens prevents light from penetrating to …Read More

Vision is life when driving

Here are some tips to follow while driving: Driving during the day: • Make sure to have clean glasses, unscratched with perfectly suited correction, even if the correction is minor. • Always have spare glasses in his car. Driving at night • Control the speed cause at night colors and contrasts looks fade what alters the depth perception. • Remember that your vision must be beyond the area illuminated by …Read More

Protect your eyes from UV rays

Sunny days are approaching and the sun shows its face … In these times, protect your eyes. Sunlight is the main source of UV rays that can damage various ocular tissues. The surface of the eye, the lens and retina are particularly vulnerable. Always have on hand a pair of sunglasses in your purse and car. • Index 0: clear or lightly tinted glass: Indoor / scattered clouds • Index …Read More

How does the human eye works?

The size of an adult’s eye is no more than 2.5 centimeters in diameter, but it is capable of outstanding performance. In this case, if we have normal sight, we can perceive two points that are distant from each other by only 3 millimeters and 10 meters distant from us! If we compare the human eye to a camera held by three pairs of hands: • The 3 pairs of …Read More