| Electronic Resources |
| University of Iowa: Eyerounds.org- Oculoplastic Surgery Techniques |
http://webeye.ophth.uiowa.edu/eyeforum/video/plastics/index.htm |
| Review of Optometry: Plug the Drain with Lacrimal Occlusion |
https://www.reviewofoptometry.com/article/plug-the-drain-with-lacrimal-occlusion |
| Simon Barnard, City University: Punctal and intra-canalicular occlusion – A guide for the practitioner |
http://www.academy.org.uk/tutorials/pplugs.htm |
| Eyedocs: Punctal Plug Insertion |
https://www.eyedocs.co.uk/ophthalmology-articles/cornea/552-punctal-plug-insertion |
