Abstract
In previous studies several authors described modifications of ERG responses in X-linked recessive retinitis pigmentosa (xLRP) carriers (1–8). Investigations on the intensity-response functions of the rod ERG also demonstrated reduction of Vmax in subjects with ophthalmoscopic evidence of the carrier status (pigmentary changes and/or tapetal-like reflex) (4). In patients affected with RP abnormalities of the Oscillatory Potentials (OPs) have also been demonstrated (9,10), suggesting a coexisting impairment of the inner retinal layers. Abnormalities of rod sensitivity were also found at the psychophysical level to flickering stimuli (11).
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Iannaccone, A. et al. (1995). Scotopic Threshold Responses and Rod Intensity-Response Functions as Sensitive Indicators of the Carrier Status In X-Linked Recessive Retinitis Pigmentosa. In: Anderson, R.E., LaVail, M.M., Hollyfield, J.G. (eds) Degenerative Diseases of the Retina. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1897-6_41
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