Logan Williams, a student at the University of Canterbury, has developed a 3D Printed Polarized Lens called the Polar Optics that help fight against Epileptic Seizures caused by Photosensitivity. The lens combat the effects of flashing lights through refraction of light entering the wearer’s eyes and therefore reducing the intensity of light to reduce the damage done.

Source: www.canterbury.ac.nz/news/2017/uc-student-develops-revolutionary-polarised-contact-lenses.html