红眼

    2026 年 8 月 19 日

    定义

    红眼是一种常见问题,可能影响单眼或双眼。发红是因为眼睛表面的血管。这些血管由于刺激或疾病而扩张。

    原因

    以下显示该症状的相关常见原因。请与医生或其他医务人员配合,以获得准确诊断。

    何时就医

    如果出现以下情况,请立即就医:

    • 视力骤变。
    • 红眼伴有严重头痛、眼睛疼痛、发热,或者光线开始伤害眼睛。
    • 伴有胃部不适或呕吐。
    • 红眼由异物或化学物质溅入眼睛引起。
    • 您突然开始看到光源周围有光晕。
    • 眼睛有异物感。
    • 眼内或眼周肿胀。
    • 无法睁开眼睛或保持眼睛睁开。

    何时应预约医务人员就诊

    有时,短暂的红眼无需担心。如果您认为眼睛发红由非处方滴眼液引起,可尝试其他品牌或暂停使用。

    若眼睛发红持续数日未消退,尤其伴随浓稠脓液或黏液持续一周或更久的情况下,应联系医务人员预约就诊。

    出现以下情况时,应联系眼科医生:

    • 眼睛发红并伴有疼痛。
    • 曾经接受过眼科手术或眼部注射。
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