Choroidal vascular analysis in myopic eyes: evidence of fove
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Myopia is a prevalent cause of vision impairment, although the cause and exacerbating factors are not completely understood. Histological analysis has revealed choroidal thinning in myopia, reported to be between 11 and 13 µm of thickness lost for each decade of life, and 6–9 µm lost with each dioptre of myopia. Moreover, progressive choroidal thinning has been found to be age-related in normal eyes as well. Despite abundant epidemiological evidence, the root cause or determinant of choroidal thinning in myopic eyes remains poorly understood. Some histopathological studies have suggested that choroidal thinning in myopia may be associated with a loss of large blood vessels, while others have postulated that this may result from pronounced thinning of the choriocapillaris.

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