OCT Angiography in the Glaucoma Diagnosis

Summary

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Description

The OCT Angiography (OCTA) is a non-invasive technology, marketed since 2014, that uses OCT with infrared light, with no radiation nor side effects, to evaluate within seconds the vascularization of the fundus, retina and optic nerve head, which may be useful for the glaucoma diagnosis. A recent met...

The OCT Angiography (OCTA) is a non-invasive technology, marketed since 2014, that uses OCT with infrared light, with no radiation nor side effects, to evaluate within seconds the vascularization of the fundus, retina and optic nerve head, which may be useful for the glaucoma diagnosis. A recent meta-analysis has shown a decrease of the vascular density (DV) in glaucoma, so that OCTA may be useful in the advanced diagnosis of glaucoma. However, the VD values obtained were different depending on the device. In addition, no studies with the OCT Triton (Topcon®) device were considered in the analysis. The authors suggested the development of dedicated software, which would allow the evaluation of VD with different devices for a more independent and valid assessment. On the other hand, recent studies show that the diagnostic capacity of OCTA may be superior to that of OCT, and that OCTA may be more useful in determining the severity of glaucoma than OCT. It is therefore necessary to evaluate the additional diagnostic tests whether they are non-invasive and whether it allow us to give a faster diagnosis. This study is aimed at comparing the diagnostic utility of OCTA with standard complementary glaucoma examinations (OCT and CV).

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