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The following document and appendices represent the third edition of the Practice Guidelines for Ocular Telehealth-Diabetic Retinopathy. These guidelines were developed by the Diabetic Retinopathy Telehealth Practice Guidelines Working Group. This working group consisted of a large number of subject matter experts in clinical applications for telehealth in ophthalmology. The editorial committee consisted of Mark B. Horton, OD, MD, who served as working group chair and Christopher J. Brady, MD, MHS, and Jerry Cavallerano, OD, PhD, who served as cochairs. The writing committees were separated into seven different categories. They are as follows:

The vitreoretinal community will remember 2016 as the year that unfavorable anti-platelet-derived growth factor (anti-PDGF) clinical trial results ended the development of Fovista (pegpleranib; Ophthotech, New York, NY) and Rinucumab (Regeneron, Tarrytown, NY). The failure of these trials reaffirmed how important the innovations made in 2006 with anti-vascular endothelial growth factor (anti-VEGF) were to our field and our patients.

Findings report that nectin-1 is widely expressed in murine ocular tissues. Only fibroblasts in the corneal stroma and sclera of uninfected tissues were devoid of nectin-1 expression. HSV-1-infected inflamed corneas contained some stromal fibroblasts with detectable nectin-1 expression, which potentially could be targeted by the virus. Widespread nectin-1 expression in the eye suggests that this receptor may play a role in the pathogenesis of ocular HSV infections.

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Age-related macular degeneration (AMD) is one of the most common causes of vision loss. Advanced forms of AMD are seen in primarily two types—neovascular AMD (nAMD) with the presence of choroid neovascularization and non-neovascular AMD (nnAMD) with geographic atrophy. Neovascular AMD is characterized by choroidal neovascularization (CNV), which leads to a cascade of complications, including exudation, leakage, and ultimately fibrosis with photoreceptor loss. Inhibition of VEGF represents the current standard of care. However, there is a tremendous gap between the outcomes in randomized clinical trials and real-world settings. New agents for nAMD might offer the potential to improve treatment outcomes and reduce treatment of frequent intravitreal injections. We summarize all the newer molecules, their pivotal clinical trial results, and their unique mechanisms of action; these include longer-acting agents, combination strategies, sustained release, and genetic therapies.