77岁女性,左眼慢性泪溢6个月,上午及阅读时尤为显著,患者既往无流泪及泪囊炎史。下睑无明显错位。下泪点与眼球紧贴,压迫泪囊区无泪液溢出,前节其它无异常,泪道探通及冲洗证实鼻泪道完全通畅。正与患者讨论该眼检查无疾病征候时,她摘下她的眼镜,其问题的原因显而易见。患者镜架松松地托于鼻梁上,其双光眼镜过大,由于其重力的影响,使镜架沿鼻子下滑,镜框下部依托于面颊,而支撑部分眼镜,这样对下睑向下牵引的结果,导致明显的睑外翻。在下泪点的部位尤为明显。 77-year-old female, left eye chronic tears of 6 months, especially in the morning and reading, the patient had no previous history of tears and dacryocystitis. Lower eyelid no obvious dislocation. Under the tears and eye contact, oppression of the lacrimal sac area without tears, no abnormalities in other anteroposterior sections, probing and washing lacrimal duct rhinitis lacrimal duct was completely clear. She was discussing with the patient that she had her glasses removed when she was diagnosed with no signs of illness and the reasons for the problem were obvious. Patients frame loosely on the bridge of the nose, the bifocals is too large, due to its gravity, so that the mirror along the nose glides, the lower part of the frame relies on the cheek, while supporting some glasses, so pull down the lower eyelid As a result, significant eyelid eversion was caused. The site of the next tear is particularly obvious.