Ocushield® the world's first and only medically rated (MHRA class 1) Anti blue light screen protector designed by qualified optometrists for healthy eyes. Keep your eyes feeling fresh and improve your sleep by blocking harmful high-energy visible (HEV) blue light which contributes to digital eye strain that can cause dry and irritated eyes, sleep disruption and blurred vision and premature ageing of the eyes. Ocushield® delivers a crystal clear image of the true colours of your phone while filtering our harmful blue light. The reinforced tempered glass provides advanced shatter and scratch proof protection.