[Chinese expert consensus on meibomian gland dysfunction: definition and classification (2023)].

Meibomian gland dysfunction (MGD) is a common clinical ocular surface disease. In recent years, great progress has been made in basic and clinical research on MGD, and new diagnostic and therapeutic methods have been continuously applied to clinical practice. To improve the understanding of MGD among Chinese ophthalmologists and standardize the diagnosis and treatment of MGD, the Chinese Branch of the Asia Dry Eye Society and relevant academic groups organized experts to discuss the definition and classification of MGD based on recent research progress and clinical experience at home and abroad, forming consensus opinions for the reference of clinicians.睑板腺功能障碍（MGD）是临床常见的眼表疾病，近年关于MGD的基础和临床研究不断深入，新的诊断和治疗方法不断应用于临床。为提高我国医师对MGD的认识水平，规范MGD的诊疗工作，亚洲干眼协会中国分会等相关学术组织的专家基于近年国内外研究进展和临床实践经验，针对MGD的定义和分类进行讨论，形成共识性意见，供临床医师在工作中参考。.