1. Punctal function in lacrimal drainage: the 'pipette sign' and functional ectropion. (5th May 2015) Authors: Beigi, Bijan; Gupta, Deepak; Luo, Yvonne H‐L; Saldana, Manuel; Georgalas, Ilias; Kalantzis, George; El‐Hindy, Nabil Journal: Clinical & experimental optometry Issue: Volume 98:Number 4(2015:Jul.) Page Start: 366 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗