VISUAL EVOKED POTENTIALS IN MALE PATIENTS OF PRIMARY OPEN ANGLE GLAUCOMA AND AGE MATCHED CONTROL MALES

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R. K. P. B. P. N. Pooja Batra, Ramji Singh, Smita Singh, “VISUAL EVOKED POTENTIALS IN MALE PATIENTS OF PRIMARY OPEN ANGLE GLAUCOMA AND AGE MATCHED CONTROL MALES”, ijmhs, vol. 3, no. 3, Oct. 2013.
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Abstract

The aim of the study was to compare the latency and amplitude of P100 component of pattern reversal visual evoked potential (PRVEP) in a cohort of male patients having primary open angle glaucoma with those of age matched controls. This comparative case- control study was conducted in the Neurophysiology unit of the Department of Physiology of a rural Medical college of Central India. The study comprised of PRVEP recordings from 356 eyes (108 POAG eyes and 248 control eyes) which were performed with the stimulus configuration consisting of the transient pattern reversal method using an Evoked Potential Recorder (RMS EMG EP MARK II). Agewise comparison of VEP component in our study subjects revealed that the mean P100 latency of POAG patients was significantly (p<0.05) longer than the mean P100 latency of the controls in all the age groups (from 40-79 years). The mean amplitude of P100 in POAG patients was significantly (p<0.05) diminished compared to that of controls.

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