Research Article

Visual Evoked Potentials in Primary Open Angle Glaucoma

Table 3

VEP variables of POAG cases and control.

VariablesGroups value
Cases ()
(mean ± SD)
Control ()
(mean ± SD)

PL75 (ms)68.53 ± 12.3467.30 ± 5.09NS
PL100 (ms)103.21 ± 10.8298.25 ± 4.05NS
PL145 (ms)149.00 ± 15.75137.52 ± 15.200.011
PA75 (µV)1.97 ± 0.352.47 ± 0.580.001
PA100 (µV)3.09 ± 0.466.07 ± 1.440.001
PA145 (µV)2.21 ± 0.584.45 ± 1.990.001
FL75 (ms)75.53 ± 15.5566.85 ± 6.13NS
FL100 (ms)109.71 ± 18.38101.90 ± 7.02NS
FL145 (ms)149.47 ± 19.74146.62 ± 13.22NS
FA75 (µV)2.18 ± 0.571.47 ± 0.380.001
FA100 (µV)2.50 ± 0.812.78 ± 0.42NS
FA145 (µV)1.99 ± 0.391.43 ± 0.380.001

PL75 = pattern reversal latency; PL100 = pattern reversal latency; PL145 = pattern reversal latency; PA75 = pattern reversal amplitude; PA100 = pattern reversal amplitude; PA145 = pattern reversal amplitude; FL75 = flash latency; FL100 = flash latency; FL145 = flash latency; FA75 = flash amplitude; FA100 = flash amplitude; FA145 = flash amplitude.