Background: Glaucoma is the leading cause of irreversible blindness worldwide. Several techniques exist for the diagnosis and follow-up of patients. Optical coherence tomography (OCT) angiography (OCTA) is a recently developed technique that provides a quantitative assessment of the microcirculation of the retina and choroid in a fast, noninvasive way. Despite it being a novel technique, several publications have already been done in the glaucoma field. However, a summary of findings is currently lacking. Aims: To perform a literature review to assess the role of OCTA in glaucoma diagnosis and follow-up. Methods: A database search was carried out using MEDLINE, Embase, and Web of Science, including all original works registered until July 23, 2017. Results: OCTA (1) has a high repeatability and reproducibility, (2) has good discriminatory power to differentiate normal eyes from glaucoma eyes, (3) is more strongly correlated with visual function than conventional OCT, (4) has good discriminatory power to differentiate early-glaucoma eyes from normal eyes (i.e., at least equal to that of OCT), (5) reaches a floor effect at a more advanced disease stage than OCT, and (6) is able to detect progression in glaucoma eyes. Conclusion: OCTA shows potential to become a part of everyday glaucoma management.
Hypertensive retinopathy is well known, but choroidopathy is uncommon and associated with acute increases in blood pressure. Nonperfused areas of the choriocapillaris lead to changes of overlying retinal pigment epithelium (RPE), resulting in neurosensory or RPE detachments. The authors describe two patients with serous retinal detachments associated with acute arterial hypertension in pre-eclampsia and HELLP (hemolysis, elevated liver enzyme levels, and low platelet count) syndrome. Subretinal fluid was demonstrated on ultra-widefield fundus imaging and optical coherence tomography. Fluorescein angiography and indocyanine green angiography enabled imaging of the choroidal hypoperfusion. All signs and symptoms resolved after 1 and 3 months, respectively, with persistent macular pigmentary changes in both patients.
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