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Outra razão está relacionada com a região estudada: estudos por OCT estu-
dam o polo posterior, enquanto que a coroidopatia diabética observada em his-
topatologia e microscopia especular tem sobretudo extensão pós-equatorial.
O real papel da coróide ainda está por ser esclarecido havendo a neces-
sidade de mais estudos homogéneos, longitudinais e com atenção aos fatores
confundidores, tentando relacionar as alterações de espessura com alterações
morfológicas da coróide com a retina subjacente.
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