Intra-vitreal injections have rapidly become the most commonly performed procedure in ophthalmology. According to the Center for Medicare Services, more than 2.6 million intra-vitreal injections were performed for Medicare patients in 2014. What is an intra-vitreal injection? This procedure involves the delivery of a small volume of medicine into the vitreous cavity, the largest space in the eye. A variety of vision-threatening retinal conditions can be treated to successfull