Why Use Optical Coherence Tomography Angiography for Disc Assessment in Glaucoma? Vascular dysregulation of the optic nerve head and the peripapillary retina is considered as one of the risk factors…
Posterior Segment Tumors 15.2.1 Retinal Tumors Melanocytoma Melanocytoma is most frequently observed at the optic disc more often in pigmented individuals, although these lesions may sometimes involve the choroid or iris….
Case 1 A 68-year-old woman with a history of dry age-related macular degeneration (ARMD) and geographic atrophy OU presented to the office complaining of some distortion in her left eye…
Principles of Optical Coherence Tomography Angiography for the Front of the Eye We used the commercially available spectral-domain OCT RT XR Avanti with the AngioVue software (Optovue, Inc., Fremont, CA)….
Introduction Adult-onset foveomacular vitelliform dystrophy (AFVD) is one of the most prevalent forms of macular degeneration.1 AFVD has been included in the heterogeneous group of pattern dystrophy, in which the…
Introduction Over the past 25 years, there has been a dramatic uptake in the usage of optical coherence tomography (OCT) as a noninvasive clinical tool to evaluate the structural anatomy…
Motion Artifacts Since OCTA detects erythrocyte movement to generate contrast, it is extremely motion sensitive and prone to motion artifacts.6 Movements that cause artifacts can occur in the axial direction…
High myopia, defined as spherical equivalent > 6 diopters (D) or axial length greater than 26.5 mm, is a major cause of visual impairment and blindness.1,2,3,4 In high myopia, progressive…
Central retinal artery occlusion (CRAO) presents as sudden, catastrophic visual loss and is therefore, one of the most important topics in ophthalmology. Similarly, branch retinal arterial, or better termed arteriolar,…
Optovue AngioVue The underlying technology of the Optovue AngioVue system is the Avanti SDOCT wide-field imaging system. The Avanti system utilizes an 840-nm light source with a bandwidth of 50…
