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Race- and sex-related differences in retinal thickness and foveal pit morphology.

Abstract：

PURPOSE:To examine sex- and race-associated differences in macular thickness and foveal pit morphology by using spectral-domain optical coherence tomography (SD-OCT). METHODS:One hundred eighty eyes of 90 healthy patients (43 women, 47 men) underwent retinal imaging with spectral-domain OCT. The lateral scale of each macular volume scan was corrected for individual differences in axial length by ocular biometry. From these corrected volumes, Early Treatment Diabetic Retinopathy Study (ETDRS) grids of retinal thickness were generated and compared between the groups. Foveal morphology was measured with previously described algorithms. RESULTS:Compared with the Caucasians, the Africans and African Americans had reduced central subfield thickness. Central subfield thickness was also reduced in the women compared with the men, although the women also showed significant thinning in parafoveal regions. There was no difference between the sexes in foveal pit morphology; however, the Africans/African Americans had significantly deeper and broader foveal pits than the Caucasians. CONCLUSIONS:Previous studies have reported race- and sex-associated differences in macular thickness, and the inference has been that these differences represent similar anatomic features. However, the data on pit morphology collected in the present study reveal an important and significant variation. Between the sexes, the differences are due to global variability in retinal thickness, whereas the variation in thickness observed between the races appears to be driven by differences in foveal pit morphology. These differences have important implications for the use of SD-OCT in detecting and diagnosing retinal disease.

journal_name

Invest Ophthalmol Vis Sci

journal_title

Investigative ophthalmology & visual science

authors

Wagner-Schuman M,Dubis AM,Nordgren RN,Lei Y,Odell D,Chiao H,Weh E,Fischer W,Sulai Y,Dubra A,Carroll J

doi

10.1167/iovs.10-5886

subject

Has Abstract

pub_date

2011-02-01 00:00:00

pages

625-34

issue

1

eissn

0146-0404

issn

1552-5783

pii

iovs.10-5886

journal_volume

52

pub_type

杂志文章

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