Global Multi-Centre study of Potential Benefits of Ultra-Violet Light blocking Contact Lenses. (December 2019) - Wolffsohn, James; Dhallu, Sandeep; Aujla, Maana; Laughton, Debbie; Tempany, Keith; Powell, Daniel; Gifford, Kate; Gifford, Paul; Wan, Kin; Cho, Pauline; Stahl, Ulrike; Woods, Jill