Prescription sunglasses online have the capacity to filter out blue light. Some sunglass lenses are fabricated using specialized treatment or coating techniques, offering effective mitigation against the detrimental effects of blue light on the eyes. However, not all sunglasses possess this functionality. To ensure sunshades provide adequate protection against blue light, one may opt for sunglasses labeled as "blue light blocking" or "blue light filtering." Additionally, it is worth considering sunglasses specifically designed for screen usage, as they provide enhanced blue light shielding.