How Do Sunglasses Block UV Rays? The color and degree of darkness provided by sunglasses have nothing to do with how well they block dangerous UV rays. Lenses are treated with a clear coating that blocks UV rays, and even standard prescription eyeglasses with no tinting use lenses that have been coated to block UV.
verb (used with object) 1. to overstrain or wrench (the ligaments of an ankle, wrist, or other joint) so as to injure without fracture or dislocation. noun. 2. a violent straining or wrenching of the parts around a joint, without dislocation. 3. the condition of being sprained. Origin of sprain.
This pain could be caused by an injury, like a sprain, or by a medical condition, such as arthritis. According to the National University of Health Sciences (NUHS), an ankle... Read More. Ankle pain refers to any type of pain or discomfort in your ankles. This pain could be caused by an injury, like a sprain, or by a medical condition, such as arthritis. According to the National University of Health Sciences (NUHS), an ankle... Read More. Ankle pain refers to any type of pain or discomfort in your ankles. This pain could be caused by an injury, like a sprain, or by a medical condition, such as arthritis. According to the National University of Health Sciences , an ankle sprain is one of the most common causes of ankle pain â making up 85 percent of all ankle injuries. A sprain occurs when your ligaments (the tissues that connect bones) tear or get overstretched.