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Editorial Imaging of interest, leaving the necessity to either perform several scans to cover larger areas of interest or clinically pre-screen and then define areas of interest with the risk of overseeing alterations that are not clinically visible. Some of the aforementioned challenges are likely to remain due to the post-processing methods of OCTA visualising the moving particles, whereas other issues, such as the angle of view or contrast and 1. 2. 3. 4. 5. 6. 28 Huang D, Swanson EA, Lin CP, et al., Optical coherence tomography, Science, 1991;254:1178–81. Hee MR, Izatt JA, Swanson EA, et al., Optical coherence tomography of the human retina, Arch Ophthalmol, 1995;113:325–32. Puliafito CA, Hee MR, Lin CP, et al., Imaging of macular diseases with optical coherence tomography, Ophthalmology, 1995;102:217–29. Abdallah WF, Olmos de Koo LC, Abdulkader MM, et al., High- resolution OCT: an innovative tool for posterior segment imaging, Ophthalmic Surg Lasers Imaging, 2012;43(Suppl 6):S123–34. Kiernan DF, Mieler WF, Hariprasad SM, Spectral-domain optical coherence tomography: a comparison of modern high-resolution retinal imaging systems, Am J Ophthalmol, 2010;149:18–31. Kuehlewein L, Bansal M, Lenis TL, et al., Optical coherence tomography angiography of type 1 neovascularization in age-related macular degeneration, Am J Ophthalmol, resolution will be addressed and improved along with the expected developmental process of this technology. Given the huge advantages of non-invasively acquired images providing three-dimensional information of vascular and microvascular architecture of the eye, the importance and indication for the use of OCTA will become clearer as more and more studies are being conducted to better evaluate this promising novel imaging technique. n 2015;160:739–48. Spaide RF, Klancnik JM, Jr., Cooney MJ, Retinal vascular layers imaged by fluorescein angiography and optical coherence tomography angiography, JAMA Ophthalmol, 2015;133:45–50. 8. Gorczynska I, Migacz JV, Zawadzki RJ, et al., Comparison of amplitude-decorrelation, speckle-variance and phase- variance OCT angiography methods for imaging the human retina and choroid, Biomed Opt Express, 2016;7:911–42. 9. Lang GE, Enders C, Werner JU, [New possibilities in retinal diagnostics using OCT angiography] Article in German, Klin Monbl Augenheilkd, 2016;233:613–21. 10. Damento G, Chen MH, Leng T, Spectral-domain optical coherence tomography angiography of central retinal artery occlusion, Ophthalmic Surg Lasers Imaging Retina, 2016;47:467–70. 11. Lin TC, Chung YC, Lin CY, et al., Focal nonperfusion of deep retinal capillary plexus in eyes with epiretinal membranes revealed by optical coherence tomography angiography, Ophthalmic Surg Lasers Imaging Retina, 2016;47:404–9. 7. 12. Feucht N, Maier M, Lohmann CP, Reznicek L, OCT angiography findings in acute central serous chorioretinopathy, Ophthalmic Surg Lasers Imaging Retina, 2016;47:322–7. 13. Salz DA, de Carlo TE, Adhi M, et al., Select features of diabetic retinopathy on swept-source optical coherence tomographic angiography compared with fluorescein angiography and normal eyes, JAMA Ophthalmol, 2016;134:644–50. 14. Samara WA, Shahlaee A, Sridhar J, et al., Quantitative optical coherence tomography angiography features and visual function in eyes with branch retinal vein occlusion, Am J Ophthalmol, 2016;166:76–83. 15. Roisman L, Zhang Q, Wang RK, et al., Optical coherence tomography angiography of asymptomatic neovascularization in intermediate age-related macular degeneration, Ophthalmology, 2016;123:1309–19. 16. Matet A, Daruich A, Dirani A, et al., Macular telangiectasia type 1: capillary density and microvascular abnormalities assessed by optical coherence tomography angiography, Am J Ophthalmol, 2016;167:18-30. EUR OP EAN OP H TH ALMIC RE VIE W