Optical coherence tomography angiography in primary eye care

Alexandra M. Coffey, Emily K. Hutton, Louise Combe, Pooja Bhindi, Demi Gertig, Paul A. Constable

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Optical coherence tomography angiography (OCT-A) is a non-invasive imaging modality for assessing the vasculature within ocular structures including the retina, macula, choroid and optic nerve. OCT-A has a wide range of clinical applications in various optometric conditions which have been independently reported in the literature. This paper aims to present a review of the current literature on the clinical application of OCT-A in optometric practice as well as to analyse and evaluate the quality of the available evidence. This review included 78 articles from a literature search conducted on 26 May 2019 across the following databases: Cochrane Library of Systematic Reviews, Medline, Scopus and Web of Science. Primary ocular pathologies discussed in this review include glaucoma, diabetic retinopathy, age-related macular degeneration, myopia, acquired and congenital macular dystrophies, epiretinal membrane, retinal vein occlusion, retinitis pigmentosa, choroidal melanoma, uveitis, central serous chorioretinopathy, amblyopia and optic neuropathies. Primary outcome variables included vessel density, foveal avascular zone area and diameter, flow velocity and flow index. This review aims to evaluate the evidence available for OCT-A applications in diagnosis and prognosis of ocular conditions in an optometric setting.

Original languageEnglish
Pages (from-to)3-13
Number of pages11
JournalClinical and Experimental Optometry
Issue number1
Early online date13 Apr 2020
Publication statusPublished - 2021


  • foveal avascular zone
  • OCT-A
  • optical coherence tomography angiography
  • vessel density
  • Foveal avascular zone
  • OCT‐A


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