21 Role of Laser in the Era of Pharmacotherapy
Results: Photocoagulation prevented severe vision loss by 50% in PDR patients (at 4 years, 20% risk in treated eyes versus 44% risk in untreated eyes with HRC). The beneficial effect…
Results: Photocoagulation prevented severe vision loss by 50% in PDR patients (at 4 years, 20% risk in treated eyes versus 44% risk in untreated eyes with HRC). The beneficial effect…
Neovascular-AMD Currently in Clinical Trials Mohamed Ibrahim • Roomasa Channa • Diana V. Do • Quan Dong Nguyen INTRODUCTION The prevalence of advanced stages of age-related macular degeneration (AMD) in…
FIGURE 5.1. Effect of GH inhibition on ischemia-induced retinal neovascularization. A: Cross section of an eye from a nontransgenic littermate mouse, showing retinal neovascularization internal to the inner limiting membrane…
of Anti-angiogenic Drugs George A. Williams INTRODUCTION The advent of anti–vascular endothelial growth factor (VEGF) therapy for neovascular age-related macular degeneration has prevented blindness in tens of thousands of people….
Pathophysiology Mark E. Kleinman • Jayakrishna Ambati Introduction The chorioretinal architecture is a heterogeneous assembly of specialized tissues derived from neuroectoderm and mesenchyme. The dual-layered blood-retina barrier, which incorporates the…
of Ocular Angiogenesis Shozo Sonoda • Parameswaran G. Sreekumar • Ram Kannan • David R. Hinton Introduction Physiologic angiogenesis is carefully regulated by a critical balance between endogenous stimulators and…
and Complications Elias Reichel INTRODUCTION Intravitreal injections are becoming an increasingly common part of clinical practice. In the past, indications for injection of substances into the vitreous cavity were relatively…
FIGURE 6.1. The cyclooxygenase cascade. COX-1 and COX-2 catalyze the biosynthesis of prostanoids (prostaglandins and thromboxane) from membrane-derived arachidonic acid. The prostanoids then bind to their cognate GPCRs (G-protein coupled…
However, when new blood vessels grew into the small tumors from the adjacent vascularized tissues of the eye, for example, retina or iris, the tumors grew quickly and overtook the…