Objective To explore the pathogenesis of primary pigmentary degenerationofretina (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 degenerationofretina and snail track degeneration, et al.
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.