If the lens of a pair of sunglasses is unqualified, the diopter may exceed the standard, or the surface of the lens is not smooth, or even has bubbles, etc., they will be distorted and deformed when the eyes look at external objects. the eyeballs hurt and cause dizziness, nausea, decreased appetite, forgetfulness, …
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Some people believe that polarized lenses cause headaches or migraines. While there have been reports that the tint of certain windows takes on a checkerboard pattern when viewed through polarized lenses and causes nausea, there is little evidence that polarized lenses cause headaches.
Distortion and Depth Perception: Different parts of the image may change slightly or slightly as you move. Dizziness: You can feel dizzy from new glasses and this is the most common problem people have. Dizziness is even more common when it comes to correcting multifocal lenses and astigmatism.
It is not uncommon for headaches, dizziness and nausea to accompany the fitting period for bifocal, trifocal or progressive lenses.
Polarized lenses are suitable for everyone.
Unless your doctor tells you otherwise, anyone can wear polarized lenses to protect their vision from bright sunlight.
Polarized sunglasses are definitely better quality but don’t offer UV protection. They are equipped with a unique film coating that helps reduce or at least reduce glare. Polarized lenses allow you to see objects clearly by filtering the light that reaches your eyes.
Cons. Polarized lenses are not for everyone. Some people feel dizzy or disoriented when looking through polarized lenses.
People who wear their polarized lenses both indoors and outdoors are bound to experience headaches as not enough light gets through the lens, causing eyestrain.
Dizziness associated with a prescription lens defect can be related to changes in your depth perception caused by reading glasses or bifocals. If you already suffer from dizziness, the wrong glasses can make the problem worse.
“Fishbowl effect” – the feeling that your field of view is bending at the edges, as if you are looking through a goldfish bowl, often at high minus values.
Astigmatism (uh-STIG-muh-tiz-um) is a common and generally treatable curvature of the eye imperfection that causes blurred distance and near vision. Astigmatism occurs when either the front surface of the eye (cornea) or the lens inside the eye have mismatched curves.
It can take a few days to a few weeks for your eyes and brain to fully adjust to your new glasses, whether you’re upgrading your vision or wearing glasses for the first time.
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