Table 2.
Full-Field Electroretinogram Findings of Patients Diagnosed with Mitochondrial Disease
| Dark-Adapted 0.01 ERG (OD/OS) | Dark-Adapted 3.0 ERG (OD/OS) | Light-Adapted ERG (OD/OS) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Patient | Amplitude | a-Wave | b-Wave | a-Wave | b-Wave | 30-Hz | 30-Hz Flicker | ||
| Diagnosis | ID | (µV) | IT (ms) | (µV) | (µV) | (µV) | (µV) | Flicker (µV) | IT (ms) |
| LHON | P1 | 185.6/173.4 | 78/76 | –167.3/–149.1 | 282.4/72.8 | –32.3/–28.7 | 72.7/69.9 | 72.0/70.7 | 31.5/31 |
| P2 | 215.7/241.8 | 83/82 | –175.6/–208.5 | 290.3/354.7 | –31.2/–34.9 | 87.7/94.2 | 73.23/68.26 | 26/26 | |
| P3 | 245.3/216.8 | 80/84 | –199.9/–147.8 | 358.7/266.1 | –39.3/–33.6 | 114.2/88.49 | 97.9/84.6 | 29/29 | |
| P4 | 90.4/216.5 | 83.5/90 | –58.4/–120.9 | 120.0/337.1 | NA*/–20.9 | NA*/64.3 | 21.9/43.4 | 30.5/31.5 | |
| P5 | 130.1/131.1 | 84.5/82 | –110.4/–131.5 | 207.8/218.6 | –5.9/–38.4 | 43.2/50.2 | 56.5/56.5 | 29/29 | |
| P6 | 267.9/284.1 | 84/90 | –194.6/–207.9 | 369.7/373.3 | –13.2/–20.6 | 86.8/105.6 | 65.1/72.8 | 31/29.5 | |
| P7 | 343.5/218.4 | 91.5/106 | –174.2/–108.1 | 430.6/401.8 | –18.5/–19.4 | 79.2/61.4 | 65.4/49.1 | 31.5/32 | |
| OPA1 | P8 | 272.7/256.6 | 83/84.5 | –114.7/–90.8 | 456.3/419.1 | –30.2/–53.9 | 95.95/103.8 | 61.8/77.4 | 30.5/30.5 |
| P9 | 192.8/148.6 | 85/104 | –149.8/–136.5 | 276.2/225.8 | –37.4/–22.6 | 94.1/72.3 | 84.0/78.1 | 28/28 | |
| P10 (son of P9) | 204.7/160.3 | 80/93 | –153.5/–135.2 | 363.9/351.6 | –25.5/–36.9 | 99.9/95.5 | 90.3/75.5 | 28/29 | |
| P11 | 363.8/367.1 | 85/81.5 | –149.8/–89.1 | 456.4/469.8 | –29.5/–26.7 | 121.2/161.8 | 58.3/92.0 | 28/26.5 | |
| P12 | 312.1/255.8 | 76/76 | –228.9/–195.4 | 415.1/312.5 | –41.7/–16.7 | 110/84.4 | 87.5/67.8 | 28.5/27.5 | |
| P13 (son of P12) | 325.2/198.8 | 100/78 | –201.3/–187.8 | 381.0/332.5 | –21.2/–33.7 | 55.1/82.8 | 35.3/36.7 | 29/28 | |
| OPA13 | P14 (16 y) | 146.4/128.5 | 98.5/96.5 | –118.7/–104.7 | 185.6/161.2 | –20.3/–16.2 | 60.1/67.2 | 59.6/73 | 29/28.5 |
| P14 (23 y) | 56.7/54.4 | 80/85 | –65.3/–52.8 | 94.0/70.0 | –23.9/–21.5 | 47.6/43.9 | 50.4/36.1 | 29/29 | |
| Normal reference | 218.5 ± 148.3 | 85.9 ± 14.1 | −210.1 ± 172.1 | 347.0 ± 134.1 | −36.4 ± 25.8 | 109.8 ± 67.8 | 121.4 ± 65.5 | 26.3 ± 3.8 | |
IT, implicit time; NA, not available.
*Very low amplitude that was undetectable.