Thickness Mapping of Eleven Retinal Layers Segmented Using the Diffusion Maps Method in Normal Eyes

Table 2

Comparison of total retinal thickness measurements in 9 macular sectors obtained using different optical coherence tomography instruments (mean (SD) of thickness measurements).

	Spectralis, HRA, Heidelberg Engineering, Germany^†	Spectralis, Heidelberg Engineering, Germany^‡	Cirrus HD-OCT, Carl Zeiss Meditec, Inc.^**	RTVue-100, Optovue, Inc., Fremont, CA^**	3D OCT-1000, Topcon, Inc., Paramus, NJ^**	3D OCT-1000, Topcon, Inc.^††	Stratus OCT [OCT3], Carl Zeiss Meditec, Dublin, CA^‡‡
Macular sector
Fovea	265 (15)^*	264 (13)	262 (16)	256 (15)	231 (16)	222 (18)	212 (20)
Parafovea
Temporal	307 (15)	306 (14)	306 (10)	308 (13)	280 (10)	285 (14)	251 (13)
Superior	312 (13)	311 (14)	320 (12)	324 (11)	293 (12)	297 (15)	255 (17)
Nasal	325 (16)	325 (15)	323 (12)	324 (11)	296 (12)	299 (15)	267 (16)
Inferior	316 (14)	314 (13)	316 (11)	s318 (10)	288 (10)	294 (15)	260 (15)
Perifovea
Temporal	255 (11)	256 (14)	255 (9)	265 (10)	234 (16)	244 (12)	210 (14)
Superior	273 (17)	271 (18)	274 (13)	278 (13)	249 (13)	257 (13)	239 (16)
Nasal	272 (17)	298 (19)	293 (13)	291 (14)	266 (13)	273 (14)	246 (14)
Inferior	265 (16)	274 (17)	264 (11)	267 (12)	240 (12)	247 (13)	210 (13)

^*Mean (SD) of thickness measurements are shown in m.
^†Current study.
^‡Loduca and associates [34].
^**Sull and associates [6].
^††Ooto and associates [41].
^‡‡Chan and associates [10].