As summer approaches, the most worthwhile fashion item to buy is undoubtedly sunglasses near me! It can block the dazzling sunlight and prevent UV damage, as well as prevent the eye area from getting tanned and aged.

When you enter an eyewear best place to buy eyeglasses choose sunglasses, the salesperson will likely recommend polarized sunglasses to you. Take out the following test card to demonstrate the effect of polarized sunglasses: after wearing the polarized sunglasses, a specific pattern can be seen at a certain angle.

I believe many consumers will have the first reaction after seeing such a test. Two deep soul questions arise as a result: why does this effect exist? What is the purpose of such sunglasses near me now?

The main function of polarized sunglasses is to protect people's eyes from glare. What is glare? What are the common types of glare in daily life?

The definition of glare is a visual phenomenon that causes discomfort or reduces the ability to observe details or targets due to inappropriate brightness distribution or range, or extreme brightness contrast.

If the human eye is exposed to glare, it will feel stimulated and tense. Working under these conditions for a long time can cause boredom, impatience, restlessness, and fatigue, which have a great impact on people's production and life.

The most common glare in daily life is the reflection of sunlight on various surfaces. The light wave of sunlight has wave-particle duality (referring to a substance possessing both wave and particle characteristics): as an electromagnetic wave, the vibration direction of sunlight is perpendicular to the propagation direction. The vibration of electromagnetic waves is like the shaking of a rope, which can be biased here or there, forming various polarizations.