Mass Eye and Ear Feb 10 2026 Eric Gaier, MD, PhD, and Dean Eliott, MD, of the Department of Ophthalmology at Mass Eye and Ear, a member of the Mass General Brigham healthcare system, are co-authors of a paper published in Ophthalmology Retina , "Substance Use Disorder Interventions and Ophthalmic Outcomes for Injection Drug Use-Associated Endogenous Endophthalmitis." Q: What challenges or unmet needs make this study important? People who use injection drugs are at a higher risk for eye