Abstract：
PURPOSE:To characterize the progression of optical gaps and expand the known etiologies of this phenotype. DESIGN:Retrospective cohort study. METHODS:Thirty-six patients were selected based on the identification of an optical gap on spectral-domain optical coherence tomography (OCT) from a large cohort of patients (N = 746) with confirmed diagnoses of inherited retinal dystrophy. The width and height of the gaps in 70 eyes of 36 patients were measured by 2 independent graders using the caliper tool on Heidelberg Explorer. Measurements of outer and central retinal thickness were also evaluated and correlated with gap dimensions. RESULTS:Longitudinal analysis confirmed the progressive nature of optical gaps in patients with Stargardt disease, achromatopsia, occult macular dystrophy, and cone dystrophies (P < .003). Larger changes in gap width were noted in patients with Stargardt disease (78.1 μm/year) and cone dystrophies (31.9 μm/year) compared with patients with achromatopsia (16.2 μm/year) and occult macular dystrophy (15.4 μm/year). Gap height decreased in patients with Stargardt disease (6.5 μm/year; P = .02) but increased in patients with achromatopsia (3.3 μm/year) and occult macular dystrophy (1.2 μm/year). Gap height correlated with measurements of central retinal thickness at the fovea (r = 0.782, P = .00012). Interocular discordance of the gap was observed in 7 patients. Finally, a review of all currently described etiologies of optical gap was summarized. CONCLUSION:The optical gap is a progressive phenotype seen in an increasing number of etiologies. This progressive nature suggests a use as a biomarker in the understanding of disease progression. Interocular discordance of the phenotype may be a feature of Stargardt disease and cone dystrophies.
journal_name
Am J Ophthalmoljournal_title
American journal of ophthalmologyauthors
Oh JK,Ryu J,Lima de Carvalho JR Jr,Levi SR,Lee W,Tsamis E,Greenstein VC,Mahajan VB,Allikmets R,Tsang SHdoi
10.1016/j.ajo.2020.05.016subject
Has Abstractpub_date
2020-10-01 00:00:00pages
40-53eissn
0002-9394issn
1879-1891pii
S0002-9394(20)30246-4journal_volume
218pub_type
杂志文章abstract：PURPOSE:To examine the visual outcomes of early intervention in the setting of fundus-obscuring vitreous hemorrhage (VH) presumed to be due to posterior vitreous detachment. DESIGN:Retrospective comparative case series. METHODS:All eyes that presented with a fundus-obscuring VH, defined as vision of 20/400 or worse a...
journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
pub_type： 杂志文章
doi：10.1016/0002-9394(88)90584-3
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journal_title：American journal of ophthalmology
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journal_title：American journal of ophthalmology
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更新日期：1996-06-01 00:00:00
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journal_title：American journal of ophthalmology
pub_type： 杂志文章
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更新日期：2005-09-01 00:00:00
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