When faced with intense sunlight, sunglasses become an indispensable companion, offering protection against harmful UV rays and glare. The market offers two common options: polarized sunglasses and non-polarized sunglasses. This article aims to help you understand the differences between these two types and make an informed choice when purchasing sunglasses.
What are polarised sunglasses?
Polarized sunglasses are designed based on the principle of light polarization. They effectively filter out intense light from the sun, water, snow, and other reflective surfaces. By eliminating glare, polarized sunglasses provide a clearer, more comfortable visual experience with enhanced detail perception and accurate color rendition.
Features of Polarized Sunglasses
1.Elimination of strong light reflection：Polarized sunglasses utilize special polarization technology to effectively eliminate strong light reflections, such as those from water or snow. This reduces discomfort caused by glare.
2.Enhanced visual clarity：By filtering out scattered light, polarized sunglasses make scene details clearer and colors more realistic, improving visual comfort and overall experience.
3.Reduced eye fatigue：With glare interference reduced, polarized sunglasses help alleviate eye fatigue and discomfort, making them particularly suitable for prolonged outdoor activities and driving.
4.UV protection：Like other sunglasses, polarized lenses protect against harmful UV rays, ensuring the eyes remain shielded from potential damage.
Distinguishing Polarized and Non-polarized Sunglasses
- Polarized sunglasses function differently from their non-polarized counterparts. Sunlight consists of direct and reflected light. While non-polarized sunglasses can only weaken light and reduce eye irritation, they cannot prevent refracted light from entering. On the other hand, polarized sunglasses eliminate refracted light, providing a clearer and more comfortable view.
- Polarized sunglasses are based on the principle of polarization, ensuring minimal color distortion. Non-polarized sunglasses, however, may struggle to accurately distinguish between red and green. For daily driving safety, it is advisable to opt for polarized sunglasses.
- Both polarized and non-polarized sunglasses offer excellent UV protection, with polarized lenses capable of blocking up to 100% of harmful rays.
While non-polarized sunglasses are a viable choice, polarized sunglasses undoubtedly excel in functionality. If you frequently engage in water sports, drive, or work for extended periods in bright light conditions, polarized sunglasses are the better option. Regardless of your choice, always select a reputable brand and ensure the sunglasses have a reliable UV protection rating to safeguard your eyes from potential harm.