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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Optom Vis Sci. 2010 Aug;87(8):576–584. doi: 10.1097/OPX.0b013e3181e3dcb3

Table 1.

Subjects’ clinical information.

ON Eyes (n = 51) Non-ON Eyes (n = 65)
Age 41.0 ± 9.2 40.5 ± 9.9

Number of ON Attacks
1 attack (%) 37 (73%) NA
>1 attack (%) 14 (27%) NA

Months since last ON attack 78.9 ± 80.5 NA

Visual Acuity
20/20 or better (%) 32 (63%) 60 (92%)
20/20 to 20/50 (%) 19 (37%) 5 (8%)

Years since MS diagnoses 8.6 ± 6.6 5.0 ± 4.4
HVFa mean deviation (dB) −5.15 ± 6.36 (n = 47) −2.26 ± 3.63 (n = 57)
a

HVF refers to Humphery visual field 30-2 or 24-2 threshold tests. Four ON eyes and 8 non-ON eyes had unreliable HVF (fixation loss, false positives or false negatives > 33%) and were excluded for calculating HVF mean deviation.