Electroretinogram changes after scleral buckling surgery of retinal detachment

Documenta Ophthalmologica. Advances in Ophthalmology
Yuanyuan GongPing Zhu

Abstract

To observe changes in visual function after a single scleral buckling surgery for rhegmatogenous retinal detachment (RD) by using ERG (electroretinogram). One eye from 56 patients with rhegmatogenous RD was chosen. Forty-three corresponding normal fellow eyes from these patients were chosen as controls. Single scleral buckling surgery was carried out and a full-field ERG was performed before the surgery, and 1 and 6 months after surgery. The mean amplitude of ERG decreased and the latency (except for the a-wave) was delayed in the eye with a retinal detachment, and wavelets of the oscillatory potential decreased or were completely lacking. One month after surgery, the amplitudes of the a and b waves were noticeably improved (except for the 30 Hz flicker responses), but the latency (except for the a-wave) was still delayed. The ratio of b/a (mixed response) increased 1 month after surgery, with no further changes thereafter. The amplitude of the scotopic b wave was 58.1% of the control eyes, while the 30 Hz flicker responses was only 45.8% of controls; the difference between the two responses was significant (P < 0.001). The number of oscillatory potential wavelets increased, but the total amplitude of the oscillatory potentials...Continue Reading

References

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Citations

Dec 15, 2015·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Fredrik GhoshLinnéa Taylor
Mar 17, 2015·Documenta Ophthalmologica. Advances in Ophthalmology·Kristina HolmMonica Lövestam Adrian
Jun 3, 2018·The British Journal of Ophthalmology·Kunihiko AkiyamaKazushige Tsunoda
Apr 2, 2021·Asia-Pacific Journal of Ophthalmology·Hossein AmeriNarsing A Rao
Sep 23, 2021·Investigative Ophthalmology & Visual Science·Ellen Townes-AndersonMarco Zarbin

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