1. Patient information leaflet. Hy-Opti 0.1% package insert.
2. Patient information leaflet. Hy-Opti 0.2% package insert.
3. Hy-Opti Manufacturer’s leaflet.
4. Walsh K and Jones L. Clin Opthal 2019;13:1409–1425.
5. Lanzl I, Kaercher T. Preservative-containing eye drops and adherence in ophthalmological practice. Ophthalmologe. 2012;109(11):1087-1092.
6. Questions and answers on the use of phosphates in eye drops, European Medicines Agency, 2012.
7. Kompa S, et al. Burns 2006 Sep;32(6):744–747.
8. Salwowska N, et al. J Cosm Derm;15:520—526.
9. Hy-Opti Manufacturer’s ophthalmic folder.
10. Moorfields, Dry Eyes, November 2017.
11. Gayton J, et al. Clinical Ophthalmology 2009:3;405–412.
12. Mark I. Golden; Jay J. Meyer; Bhupendra C. Patel. Last Update: August 19, 2021.
13. ECCO blue book 2017.
14. Gomes J, et al. The Ocular Surf 2019;17:9–19.
15. Moorfields, How to use your Eye Drops, January 2020.