Determination of Ischemia Onset Based on Automatically Generated Spectralis SD-OCT Values in Acute Central Retinal Artery Occlusion

Figure 1

Representative time-dependent increase of the relative retinal thickness over 48 hours compared between manual and automatic measurements in the nasal sector. Relative retinal thickness increase (RRTI) in central retinal artery occlusion (CRAO) is caused by retinal ischemia. This figure shows the nasal ETDRS sector (n = 28) represented by the triangle and manually measured values from the previous study [5] represented by circles (n = 66). The x-axis represents time to OCT (TTO) and the y-axis the relative retinal thickness increase in percent.