Electrophysiological function in eyes with reticular pseudodrusen according to fundus distribution

PloS One
Mingui KongDon-Il Ham

Abstract

Reticular pseudodrusen (RPD) could be present not only in the posterior pole but extramacular area also as a confluent morphological pattern. Thus RPD can be classified by the fundus distribution for the assessment of visual prognosis. The electrophysiological function in eyes with reticular pseudodrusen (RPD), showing various fundus distribution were evaluated using full-field electroretinogram (ERG). Retinal distribution of RPD was divided into three types (localized, intermediate, and diffuse) according to the extent of involvement of retinal areas by fundus photograph montages. RPD were present with the diffuse type in 21 eyes (25.6%), with the intermediate type in 30 eyes (36.6%), and with the localized type in 31 eyes (37.8%). The average age was 74.76 ± 4.52 (range, 65-81) years in the diffuse type, 72.47 ± 9.13 (range, 55-91) years in the intermediate type, and 70.26 ± 7.77 (range, 61-89) years in the localized type. The mean amplitudes of the scotopic rod response, scotopic maximal combined response, oscillatory potentials (OP), photopic cone response, and 30Hz cone flicker response were more decreased in the diffuse, intermediate, and localized types in order, except for the photopic cone a-wave response. The diffuse ...Continue Reading

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Citations

Jul 10, 2019·Documenta Ophthalmologica. Advances in Ophthalmology·Kazushige TsunodaTakeshi Iwata

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