Abstract：
PURPOSE:This study examined the association between peripapillary choroidal thickness (PCT) with age and race in a group of African descent (AD) and European descent (ED) subjects with normal eyes. METHODS:Optic nerve head images from enhanced depth imaging spectral-domain optical coherence tomography of 166 normal eyes from 84 subjects of AD and ED were manually delineated to identify the principal surfaces of Bruch's membrane (BM), Bruch's membrane opening (BMO), and anterior sclera (AS). Peripapillary choroidal thickness was measured between BM and AS at increasing distance away from BMO. The mean PCT was compared between AD and ED subjects and generalized estimating equation (GEE) regression analysis was used to examine the association between race and PCT overall, in each quadrant, and by distance from BMO. Models were adjusted for age, BMO area, and axial length in the regression analysis. RESULTS:Overall, the mean PCT increased from 63.9 μm ± 18.1 at 0 to 250 μm to 170.3 μm ± 56.7 at 1500 to 2000 μm from BMO. Individuals of AD had a greater mean PCT than those of ED at all distances from BMO (P < 0.05 at each distance) and in each quadrant (P < 0.05 in each quadrant). Results from multivariate regression indicate that ED subjects had significantly lower PCT compared to AD overall and in all quadrants and distances from BMO. Increasing age was also significantly associated with a lower PCT in both ED and AD participants. CONCLUSIONS:Peripapillary choroidal thickness varies with race and age, as individuals of AD have a thicker peripapillary choroid than those of ED. (ClinicalTrials.gov number, NCT00221923.).
journal_name
Invest Ophthalmol Vis Scijournal_title
Investigative ophthalmology & visual scienceauthors
Rhodes LA,Huisingh C,Johnstone J,Fazio MA,Smith B,Wang L,Clark M,Downs JC,Owsley C,Girard MJ,Mari JM,Girkin CAdoi
10.1167/iovs.14-16179subject
Has Abstractpub_date
2015-02-24 00:00:00pages
1872-9issue
3eissn
0146-0404issn
1552-5783pii
iovs.14-16179journal_volume
56pub_type
杂志文章abstract：:We describe an instrument called a scanning ocular spectrofluorophotometer (SOSF) that measures fluorescence in a two-dimensional cross-section through the anterior chamber and cornea and provides the ability to change excitation and emission wavelengths rapidly. The output of a xenon arc lamp is filtered by a diffrac...
journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：
更新日期：1988-08-01 00:00:00
abstract：PURPOSE:Elevated levels of extracellular glutamate have been implicated in the pathophysiology of neuronal loss in both central nervous system and ophthalmic disorders, including glaucoma. This increase in glutamate may result from a failure of glutamate transporters (molecules that ordinarily regulate extracellular gl...
journal_title：Investigative ophthalmology & visual science
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更新日期：2000-10-01 00:00:00
abstract：PURPOSE:The growth of ocular neovascularization is regulated by a balance between stimulating and inhibiting growth factors. Somatostatin affects angiogenesis by inhibiting the growth hormone-insulin-like growth factor axis and also has a direct antiproliferative effect on human retinal endothelial cells. The purpose o...
journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：
更新日期：2000-07-01 00:00:00
abstract：PURPOSE:To determine the prevalence, incidence, and progression of myopia of Chinese children in Hong Kong. METHODS:A cross-sectional survey was initially conducted. A longitudinal follow-up study was then conducted 12 months later. RESULTS:A total of 7560 children of mean age 9.33 (95% confidence interval [CI] = 9.1...
journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：10.1167/iovs.03-1151
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abstract：:Selenium toxicity was investigated in cultured rabbit lenses to provide further information about the role of Ca++ in Se cataract. At a dose of 0.1 mM for 20 hr, Se induces a 10% change in Na levels within 6 hr, a 30% increase after 20 hr, and a three-fold increase within 48 hr of subsequent culture after removal of S...
journal_title：Investigative ophthalmology & visual science
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doi：
更新日期：1989-01-01 00:00:00
abstract：PURPOSE:Identification of causative mutations for retinal blinding disorders is often limited by restricted understanding of gene expression and underlying molecular mechanisms that trigger degenerative processes. This study was conducted to develop a catalog of canine retina-expressed genes that would provide a unique...
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doi：10.1167/iovs.05-1463
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journal_title：Investigative ophthalmology & visual science
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更新日期：1991-09-01 00:00:00
abstract：PURPOSE:To test the hypothesis that retinal hypoxia is present during vascular development in normal rat pups and in a newborn rat model of retinopathy of prematurity (ROP). METHODS:Preretinal vitreous PO(2) measurements were made during room air breathing using (19)F magnetic resonance spectroscopy (MRS) and a perflu...
journal_title：Investigative ophthalmology & visual science
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doi：10.1167/iovs.02-1122
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：
更新日期：1984-11-01 00:00:00
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journal_title：Investigative ophthalmology & visual science
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doi：
更新日期：1984-10-01 00:00:00
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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doi：
更新日期：1992-09-01 00:00:00
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journal_title：Investigative ophthalmology & visual science
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journal_title：Investigative ophthalmology & visual science
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doi：
更新日期：1999-11-01 00:00:00
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journal_title：Investigative ophthalmology & visual science
pub_type： 杂志文章
doi：
更新日期：2002-10-01 00:00:00
