TELECOMMUNICATIONS AND RADIO ENGINEERING - 2010 Vol. 69,
No 8 		 

 

 

 

Effects of Wavelets Transcorneal-Stimulation on Low Vision Patients with Central Retinal Artery Occlusion CRAO

D. Robles-Camarillo & L. Niño-de-Rivera
National Polytechnic Institute of Mexico, Mexico-city, Mexico.
Address all correspondence to D. Robles-Camarillo E-mail: kvf@pochta.ru

Wilfrido Calleja Arriaga
INAOE National Institute of Astrophysics, Optics and Electronics of Mèxico. Tonanzintla,     Puebla, México.
H. Quiroz-Mercado
Denver Health Medical Center-University of Colorado. Denver, CO., USA.

M. J. López-Miranda
Hospital “Luis Sánchez Bunes” Retina Department Mexico-City, Mexico.

Abstract
The present work presents the effect of wavelets waveforms electrical stimulation  applied on low vision (LV) patients suffering central retinal artery occlusion CRAO. Stimulations is done via  transcorneal electrical stimulation (TES) by means of an adaptive wavelets system generator. The applied waveform signal is generated into a digital processor, and is based on a healthy eye’s multi-focal wavelet signal obtained from electroretinography (MF-ERG) response of healthy people. The stimulation protocol proposed in this paper is qualitatively different from others, like Inomata et. al. [1,2] that uses square bipolar signals. All stimulated patients improve at least one line in Fainbloom’s visual acuity exams scale. Results are correlated with an important increased in the electrical A and B wave response in standard electroretinography and  with subjective patient’s visual acuity confirmed by the fact all stimulated patients improve at least one line in Fainbloom’s scale at least, in visual acuity exams.

KEY WORDS: eye, wavelet, patient, time stimulation



References
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pages 727-732

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