Effect of Active and Passive Smoking on Retinal Nerve Fibre Layer and Ganglion Cell Complex

Table 5

PERG parameters in the two studied groups.

Variable (μm)	Active smokers	Passive smokers	value	p
	Mean ± SD	Mean ± SD
P50 latency (ms)	52.72 ± 0.52	52.60 ± 0.80	1.19	0.24
N95 latency (ms)	99.94 ± 2.20	98.29 ± 3.22	3.77	0.0002
N35-P50 amplitude (μV)	2.46 ± 0.38	2.54 ± 0.32	−1.49	0.14
P50-N95 amplitude (μV)	3.14 ± 0.41	3.41 ± 0.49	−3.82	0.0002