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Macular electroretinogram as a function of age of subjects

✍ Scribed by B. Bagolini; V. Porciatti; B. Falsini; G. Scalia; M. Neroni; G. Moretti

Publisher: Springer-Verlag
Year: 1988
Tongue: English
Weight: 293 KB
Volume: 70
Category: Article
ISSN: 0012-4486
DOI: 10.1007/bf00154734

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✦ Synopsis

Macular and paramacular electroretinograms in response to two adjacent checks (6 deg/side), alternating at constant mean luminance, were recorded in 34 normal subjects ranging in age from 16 to 74 years. The macular electroretinogram declines progressively in amplitude with age (R = -0.42; P = 0.013). The amplitude ratio between macular and paramacular responses tends to be independent of age (R = -0.21; P = 0.22). Age-related changes in the macular electroretinogram shown in our study are consistent with previous anatomical and functional studies, which indicate a deterioration of photoreceptors beyond 20 years of age. These results suggest a possible use of this technique for future studies on macular degeneration.

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