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EDI OCT evaluation of choroidal thickness in Stargardt disease.

EDI OCT evaluation of choroidal thickness in Stargardt disease.
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Sodi A, Bacherini D, Lenzetti C, Caporossi O, Murro V, Mucciolo DP, Cipollini F, Passerini I, Virgili G, Rizzo S,


Sodi A, Bacherini D, Lenzetti C, Caporossi O, Murro V, Mucciolo DP, Cipollini F, Passerini I, Virgili G, Rizzo S, (click to view)

Sodi A, Bacherini D, Lenzetti C, Caporossi O, Murro V, Mucciolo DP, Cipollini F, Passerini I, Virgili G, Rizzo S,

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PloS one 2018 01 0513(1) e0190780 doi 10.1371/journal.pone.0190780
Abstract
PURPOSE
Choroidal thickness (CT) evaluation with EDI-OCT in Stargardt Disease (STGD), considering its possible association with some clinical features of the disease.

METHODS
CT was evaluated in 41 STGD patients and in 70 controls. Measurements were performed in the subfoveal position and at 1000 μm nasally and temporally. CT average values in STGD and in the control group were first compared by means of Student’s T test. Then, the possible association between CT and some clinical features was evaluated by means of linear regression analysis. Considered clinical parameters were: age, age on onset, duration of the disease, visual acuity, foveal thickness, Fishman clinical phenotype, visual field loss and ERG response.

RESULTS
Average CT was not significantly different between controls and STGD patients. In the STGD group the correlation between CT and age (r = 0.22, p = 0.033) and age of onset (r = 0.05, p = 0.424) was modest, while that of CT with disease duration (r = 0.30, p<0.001) was moderate. CT and foveal thickness were also significantly but modestly correlated (r = 0.15, p = 0.033). CONCLUSION
In our series average CT is not significantly changed in STGD in comparison with the controls. Nevertheless a choroidal thinning may be identified in the more advanced stages of the disease.

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