Lenses Natural works to allow oxygen to enter the eye, as it allows the cornea to breathe fully. Natural lenses can live longer if well-maintained. From 3-5 months ✨ if the lens box is not opened until 2028 AD. Natural lenses provide distinct and clear vision without any vision problems. Natural lenses are not affected at all by sunny or cold weather, and steam does not enter the eye. Lenses Natural are characterized by being light on the eye. 1 lens for 60 SAR. 2 lenses for 110 SAR. 3 lenses for 150 SAR.