Department of Ophthalmology Beijing Key Laboratory of Restoration of Damaged Ocular Nerve Peking University Third Hospital Beijing 100191 China;
The First Hospital of Fangshan District Beijing 102400 China;
Beijing No.6 Hospital Beijing 100007 China;
intense pulsed light; meibomian gland dysfunction; dry eye disease; interleukin-17A; interleukin-1β;