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Table 1 OCT machine and size of FAZ measured by different studies in healthy eyes

From: Diametric measurement of foveal avascular zone in healthy young adults using optical coherence tomography angiography

Study (n = eyes) Type of OCT/technique Mean size of FAZ
Samara et al. [4] (n = 17) Avanti SD OCT
(RTVue-XR Avanti; Optovue)
SCP: 0.284 (0.206–0.362) mm2
DCP: 0.410 (0.304–0.517) mm2
Wons et al. [5] (n = 19) RTVue 100 XR Avanti
(Optovue)
SVL: 707.07 ± 141.75 µm
DVL: 797.97 ± 144.85 µm
Wang et al.[8] (n = 105) RTVue 100 XR Avanti
(Optovue)
SRVL: 0.35 ± 0.12 mm2
DRVL: Not available
Shahlaee et al. [9] (n = 34) RTVue 100 XR Avanti
(Optovue)
SVL
 Horizontal: 0.59 ± 0.126 mm
 Vertical: 0.56 ± 0.118 mm
DVL
 Horizontal: 0.69 ± 0.123 mm
 Vertical: 0.63 ± 0.110 mm
Kuehlewein et al. [10] (n = 19) Prototype SS laser OCT
(Carl Zeiss Meditec, Dublin CA, USA)
SRL: 0.304 ± 0.132 mm2
DRL: 0.486 ± 0.162 mm2
Yu et al. [11]
(n = 76)
RTVue-XR Avanti
(Software Version 2.0.5.39; Optovue)
SVL
 CFZ: 0.42 mm2 (male)
 0.52 mm2 (female)
Present study
Hussain and Hussain (n = 30)
Zeiss Angioplex
(Cirrus HD OCT)
SCP
 Horizontal: 661.166 ± 119.99 µm
 Vertical: 660.033 ± 96.169 µm
DCP
 Horizontal: 1011.2 ± 154.526 µm
 Vertical: 818.033 ± 102.108 µm
  1. SCP superficial capillary plexus, DCP deep capillary plexus, SVL superficial vascular layer, DVL deep vascular layer, SRVL superficial retinal vascular layer, DRVL deep retinal vascular layer