Regular sunglasses or non-polarized sunglasses designed to block ultraviolet sunlight which is very harmful to the eyes. Prolonged exposure to the sun without wearing eye protection as sunglasses may cause serious problems as eye diseases and cataracts. When you are wearing the normal sunglasses in the reflective environments, the glare strikes directly to your eyes causing annoying and decrease visibility.

Unlike tinted shades, polarized sunglasses can block the blinding glare that reflected from the smooth surfaces to bring clear vision to the glass wearers. Besides polarized sunglasses also prevent the UV rays from entering your eyes.

Polarized sunglasses have advantages over regular shades in terms of comfort and glare protection, but there are some situations these glasses are not recommended. Here are guides to help you when and where you should choose appropriate sunglasses.

When to wear non-polarized sunglasses

Skiing – Glare is dangerous, but in this situation glare reflected from the ice is helpful. Skiers can detect ice conditions and control their path to avoid accidents. The tinted sunglasses integrated with mirrored lenses are the best choice for skiing since mirrored lenses have the best protection in intense sunlight conditions like a snowfield.

Flying – Polarized lenses reduce the visibility to read the LCD panel. The Pilot needs to see the control panel and GPS, thus polarized sunglasses are not advisable to wear during controlling the airplane.

Operating machinery – it's challenging for the machine operators to read the LCD screen, thus polarized sunglasses are not recommended to wear in this situation.

When to wear polarized sunglasses

Driving, biking – The glare reflected from road surface strike directly to your eyes if you are not wearing polarized sunglasses. The inability to see oncoming traffic is incredibly dangerous. It's recommended to always wear polarized sunglasses when driving.

Fishing or water sport – Open water is a very reflective environment that creates intense glare and discomfort. Polarized sunglasses will help anglers or sports athletes have a clear vision. Fishes or objects beneath the surface of the water can be seen clearly.

Beach sightseeing – With the help of polarized lenses, the glare is no longer annoying while you are enjoying the beautiful beach landscape.

Cheap sunglasses in cat-eye style integrated with polarized lenses are the best choice for women for eye protection and visual enhancement. These glasses block both UV rays and glare to bring a clear and sharp vision for any outdoor adventures.