Figures & data
Table 1 Subject demographics comparing those who had a single examination and those who returned for a second examination
Figure 2 Representative VEP report generated by the Diopsys NOVA device.
Abbreviations: VEP, visual evoked potential; uv, microvolt; ms, millisecond; OD, right eye; OS, left eye; VA, visual acuity; Lc, low contrast; Hc, high contrast.
![Figure 2 Representative VEP report generated by the Diopsys NOVA device.](/cms/asset/b7bdb6d0-a041-45f3-8bce-8fbafbf6ea02/doph_a_166211_f0002_c.jpg)
Table 2 Mean P100 parameters at first examination
Table 3 Intrasession repeatability outcomes
Figure 3 Mean P100 parameters for each of the three trials at the first examination session.
Abbreviations: RLCA, low contrast amplitude, right eye; LLCA, low contrast amplitude, left eye; RHCA, high contrast amplitude, right eye; LHCA, high contrast amplitude, left eye; RLCL, low contrast latency, right eye; LLCL, low contrast latency, left eye; RHCL, high contrast latency, right eye; LHCL, high contrast latency, left eye.
![Figure 3 Mean P100 parameters for each of the three trials at the first examination session.](/cms/asset/2ed57437-223d-496d-a52c-601dc93d59fd/doph_a_166211_f0003_c.jpg)
Figure 4 (A) Serial P100 amplitude recordings and (B) serial P100 latency recordings for each of the 46 subjects at the first examination.
Abbreviation: ICC, intraclass correlation coefficient.
![Figure 4 (A) Serial P100 amplitude recordings and (B) serial P100 latency recordings for each of the 46 subjects at the first examination.](/cms/asset/ceade83e-4d65-4633-8cf4-79aebb11a36a/doph_a_166211_f0004_c.jpg)
Figure 5 Bland–Altman plots of P100 parameter limits of agreement between fellow eyes at visit 1.
![Figure 5 Bland–Altman plots of P100 parameter limits of agreement between fellow eyes at visit 1.](/cms/asset/533c5253-6f4e-4117-b3eb-574f4dea5d6a/doph_a_166211_f0005_c.jpg)
Table 4 P100 amplitude and latency by age, sex, and ethnicity
Table 5 Coefficient of variation for P100 parameters by age, sex, and ethnicity
Table 6 P100 parameters of the returning subjects
Figure 6 Bland–Altman plots of intersession P100 parameter limits of agreement.
![Figure 6 Bland–Altman plots of intersession P100 parameter limits of agreement.](/cms/asset/c800aa46-09ea-4b6a-8ef3-fc8ab2c5bbef/doph_a_166211_f0006_c.jpg)
Table 7 Intersession repeatability values
Figure 7 (A) P100 amplitude recordings and (B) P100 latency recordings for each of the 27 recordings performed on nine returning subjects at the first (circle) and second (square) examination sessions.
Abbreviation: ICC, intraclass correlation coefficient.
![Figure 7 (A) P100 amplitude recordings and (B) P100 latency recordings for each of the 27 recordings performed on nine returning subjects at the first (circle) and second (square) examination sessions.](/cms/asset/e98ec921-c8d2-43eb-9863-2054c618ee6d/doph_a_166211_f0007_c.jpg)