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Relationship between visual acuity and foveal depression Takeshi Kumagami 1 , Tsutomu Kusakano 1 , Tsugio Amemiya 1 1Dept of Ophthalmol and Vis Sci,Grad Sch of Biomed Sci,Nagasaki Univ pp.541-543
Published Date 2003/4/15
DOI https://doi.org/10.11477/mf.1410101190
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Abstract. We evaluated the depression of the fovea as related to visual acuity in 92 eyes of 46 volunteers. Their age ranged from 23 to 31 years,average 24 years.The refraction ranged from+6 to-13 diopters in the whole series and from emmetropia to-8 diopters in 85 eyes. The fundus was scanned with an optical coherence tomograph(OCT)along the horizontal line running through the foveola. The foveal depression was defined as the ratio of the thickness of the fovea to that of parafovea as observed by OCT. The visual acuity was measured using Landolt rings at variable distances. The uncorrected visual acuity,which ranged from 0.01 to 2.6,was inversely correlated with the foveal depression(r=0.238,p=0.022). The degree of myopia was positively correlated with the foveal depression(r=0.264,p=0.011). The best corrected visual acuity,which ranged from 1.2 to 2.6 in all but one eye,showed no correlation with the foveal depression(r=0.007,p=0.950).


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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