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Table 1 Optical coherence tomography (OCT) and multifocal electroretinography (mfERG) findings before and two years after the carotenoids supplementation in diabetic patients

From: Effect of carotenoids dietary supplementation on macular function in diabetic patients

Parameter Before After p value
CFT (μm)
 OD 157.4 ± 13.7 162.8 ± 13.1 <0.001
 OS 157.1 ± 14.0 163.4 ± 13.2 <0.001
Retinal Response Density (nV/deg2)
 Ring 1 OD 172.1 ± 18.4 188.9 ± 17.2 <0.001
 Ring 1 OS 171.4 ± 18.7 187.9 ± 16.6 <0.001
 Ring 2 OD 65.2 ± 9.0 75.7 ± 9.7 <0.001
 Ring 2 OS 65.8 ± 9.2 76.3 ± 9.1 <0.001
 Ring 3 OD 42.3 ± 5.0 45.4 ± 4.5 <0.001
 Ring 3 OS 42.4 ± 4.0 46 ± 4.1 <0.001
Latency (ms)
 Ring 1 OD 42.9 ± 1.7 42.7 ± 1.5 0.11
 Ring 1 OS 42.8 ± 1.5 42.8 ± 1.5 0.62
 Ring 2 OD 39.9 ± 1.7 39.9 ± 1.8 0.53
 Ring 2 OS 39.4 ± 1.9 39.5 ± 1.9 0.42
 Ring 3 OD 34.4 ± 0.8 34.3 ± 1.0 0.69
 Ring 3 OS 34.3 ± 0.8 34.2 ± 0.9 0.42
  1. CFT=central foveal thickness; OD=oculus dexter; OS=oculus sinister
  2. Data are expressed as mean ± SD