Normal values of retinal response densities in multifocal electroretinogram

Mineo Kondo, Yozo Miyake, Masayuki Horiguchi, Satoshi Suzuki, Yasuki Ito, Atsuhiro Tanikawa

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22 Citations (Scopus)


Multifocal electroretinograms (ERG) were recorded from 21 normal eyes to investigate the spatial distribution and inter-individual variation of local cone responses. To compensate for the effect of refractive lenses, test distances were adjusted to obtain a constant magnification on the retina. Significant nasal-temporal asymmetry was observed near the fovea with higher response densities in the temporal retina along the horizontal meridian. No significant supero-inferior asymmetry was observed along the vertical meridian. The average coefficient variation (standard deviation/average) of retinal response density for all areas was 0.35. In the clinical application of the multifocal ERG these results must be taken into consideration.

Original languageEnglish
Pages (from-to)810-816
Number of pages7
JournalJournal of Japanese Ophthalmological Society
Issue number10
Publication statusPublished - 10-1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Medicine


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