Well, maximum UV protection on sunglasses means the great protection for the sunglasses from the UV rays. And it can be 100% UV protections. As we know that the sun emits three types of rays: visible, infrared and ultraviolet (UV). And you also should know that the invisible UV light is the component of sunlight most responsible for eye damage, so it is very important for sunglasses to provide UV protection. And most sunglasses offer UV protection which protects eyes against permanent sun damage and cataracts. But on the other hand, many sunglasses can only meet recommended standards for UV protection, offering about 60% UV protection. But you should know that sunglasses are also labeled with the words "max uv protection", that means it can protect your eyes from the largest UV rays. It can be 100% UV protection.
