The most serious form of AMD, it can lead to loss of central vision within months of diagnosis.

湿性老年性黄斑变性是老年性黄斑变性中最严重的一种类型，可在确诊后数月内出现中央视力丧失。

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Possible signs of AMD include a loss of central vision, seeing a dark spot in the center of the field of vision, distorted or blurred vision, and wavy vertical lines.

年龄相关的黄斑退行性改变可能存在的体征包括：中心视觉丧失（在视野中央看到一个黑斑）、视物变形或视力模糊以及看到波浪状的垂直线。

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The health effects of mercury poisoning include central nervous system damage, hearing loss and vision problems.

汞中毒对健康的影响包括中枢神经系统损害、听力损失和视力问题。

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With dry AMD, there is usually a gradual loss of central vision.

CNN: New techniques slow progress of age-related vision loss

It is the leading cause of severe vision loss in the over-50s in the developed world and affects central vision, needed for driving.

BBC: AMD is the leading cause of sight loss in the UK