Objective To explore the pathogenesis of primary pigmentary degeneration of retina (PPDR).

目的探讨原发性视网膜色素变性患者的发病机理。

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There were 273 (41.49%) soldiers who had potential dangers of ocular region including xerophthalmia, occaecatio, lattice degeneration of retina and snail track degeneration, et al.

有273人（41.49%）眼部有潜在疾病隐患，主要包括干眼症、眩光、周边视网膜格子样变性及蜗牛迹变性等。

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The disease is wet age-related macular degeneration (wet AMD), in which blood vessels grow abnormally and leak into the centre of the retina, damaging sufferers' central vision.

患者一旦染上一种称之为年龄相关性黄斑变性(湿型amd)的疾病，其血管就会出现异常且会扩散到视网膜的中心，损害患者的中心视觉。

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In their study, the researchers used mammalian retinas with a degeneration of photoreceptors in order to have an experimental model of different degenerative pathologies of the retina, such as Retinitis Pigmentosa or macular degeneration.

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Studies from two different teams published Monday in the Archives of Ophthalmology provide more evidence that these foods -- which contain healthy fats -- can reduce the risk of developing a retina-destroying condition known as age-related macular degeneration (AMD).

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