International Ophthalmology

, Volume 39, Issue 10, pp 2213–2221 | Cite as

Quantitative analysis of retinal microcirculation in optical coherence tomography angiography in cases with Behçet’s disease without ocular involvement

  • Ayşegül ÇömezEmail author
  • Abdullah Beyoğlu
  • Yalçın Karaküçük
Original Paper



To evaluate the retinal vascular plexus and choriocapillaris structures in patients with non-ocular Behçet’s disease (BD) using optical coherence tomography angiography (OCTA).


The study included 42 eyes of non-ocular BD patients (study group) and 40 eyes of 20 healthy subjects (control group). Flow area (mm2), mean vascular density (VD) (%) and foveal avascular zone (FAZ) (mm2) were measured using OCTA (Optovue Inc., Fremont, CA, USA). Subfoveal choroidal thickness (CT) (μm) and central macular thickness (CMT) (μm) measurements were also performed.


The mean superficial capillary plexus, deep capillary plexus and choriocapillaris flow area values were found to be significantly lower in the study group than in the control group (p < 0.001, p < 0.001, p = 0.008, respectively). In respect of mean VD, a statistically significant difference was determined between the study and control groups in both superficial and deep VD (p < 0.001). No statistically significant difference was found out between the groups in respect of superficial FAZ, deep FAZ and CMT (p = 0.165, p = 0.477, p = 0.457, respectively). The subfoveal CT was also measured to be significantly thicker in the study group than in the control group (p < 0.001).


The results obtained with OCTA revealed that there could be both retinal and choroidal involvement in non-ocular BD patients before the emergence of evident clinical findings.


Vascular density Flow area Non-flow area Non-ocular Behçet’s disease Optical coherence tomography angiography (OCTA) 


Compliance with ethical standards

Conflict of interest

No potential conflict of interest was reported by the authors.

Ethical standards

All procedures performed in studies involving human participants were in accordance with the ethical standards of the national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from each participant included in the study.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of OpthalmologySutcu Imam University Faculty of MedicineKahramanmarasTurkey
  2. 2.Department of OpthalmologySelcuk University Faculty of MedicineKonyaTurkey

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