As well as being indispensable during the summer months, sunglasses are now a year-round companion.
Integral part of our look, sunglasses also provide constant protection for our eyes, whatever the conditions outside.
But like all optical equipment, are sunglasses likely to cause inconveniences such as headaches?
A classic pair of sunglasses is unlikely to cause any headaches.
In fact, their tinted lenses act like a shield against UV rays and strong light, protecting the eyes.
Only sunglasses with lenses adapted to your eyesight can possibly cause headaches.
In fact, the visual correction provided by sunglasses brings new visual information to the brain and eyes.
This upheaval can sometimes cause headaches, particularly during the initial adaptation period.
Headaches can also occur when the visual correction is not, or no longer, appropriate.
So only wearing corrective sunglasses can sometimes cause this type of inconvenience.
A conventional pair of sunglasses, whatever their level of sun protection, is very unlikely to cause you the slightest headache.
On the other hand, sunglasses can be a very useful device for preventing or dealing with headaches.
Exposure to bright light or strong sunlight can sometimes cause headaches.
This is particularly true for people who are photosensitive, i.e. very sensitive to light.
Wearing sunglasses can help prevent any serious impact on the eyes and the brain.
Similarly, in the case of headaches, strong light can be an aggravating factor.
That's why migraine sufferers are often advised to immerse themselves in the dark for relief.
Similarly, wearing sunglasses can put the eyes in darkened conditions and reduce the impact of light.
So, in the case of headaches, a pair of sunglasses is an important ally in providing relief.
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