Many countries are unable to afford continuous unending intravitreal injections for macular diseases,” said Dr. Kenneth Fong. Building the case for the use of subthreshold laser (STL) treatment and its application for retinal diseases, Dr. Fong and two other vitreoretinal doctors presented at a symposium on behalf of The Subthreshold Ophthalmic Laser Society (SOLS) at the recently held CAKE & PIE Expo 2.0 in Da Nang, Vietnam.