1. Zhang X, Liu Y, Wang W, Chen S, Li F, Huang W et al. Why does acute primary angle closure happen? Potential risk factors for acute primary angleclosure. Surv Ophthalmol. 2017;62:635-47.2. Ahmad S. Fluoxetine and glaucoma. DICP. 1991;25:436.3. de Guzman MH, Thiagalingam S, Ong PY, Goldberg I. Bilateral acute angleclosure caused by supraciliary effusions associated with venlafaxine intake. Med J Aust. 2005;182:121-3.4. Alarma-Estrany P, Pintor J. Melatonin receptors in theeye: location, second messengers and role in ocular physiology. Pharmacol Ther. 2007;113:507–22.5. Crooke A, Huete-Toral F, Martınez-Aguila A, Martın-Gil A, Pintor J. Melatonin and its analogue 5-methoxycarbonyl amino-N-acetyl tryptamine potentiate adrenergic receptor-mediated ocular hypotensive effects in rabbits: significance for combination therapy in glaucoma. J Pharmacol Exp Ther. 2013;346:138–45.6. European Glaucoma Society. Guide for Glaucoma, 2nd edition. Dogma, Savona, Italy, 2003.7. Osborne NN, Tobin AB. Serotonin accumulating cells in the iris-ciliary body and cornea of various species. Exp Eye Res. 1987;44:731-45.8. Costagliola C, Parmeggiani F, Semeraro F, Sebastiani A. Selective serotonin reuptake inhibitors: a review of its effects on intraocular pressure. Curr Neuropharmacol. 2008;6:293-310.9. Lachkar Y, Bouassida W. Drug-induced acute angle closure glaucoma. Curr Opin Ophthalmol. 2007;18:129-33.10. Croos R, Thirumalai S, Hassan S, Davis Jda R. Citalopram associated with acute angle-closure glaucoma: case report. BMC Ophthalmol. 2005;5:23.11. Ismail SA, Mowafi HA. Melatonin provides anxiolysis, enhances analgesia, decreases intraocular pressure, and promotes better operating conditions during cataract surgery under topical anesthesia. Anesth Analg. 2009;108:1146–51.12. Serle JB, Wang RF, Peterson WM, Plourde R, Yerxa BR. Effect of 5-MCA-NAT, a putative melatonin MT3 receptor agonist, on intraocular pressure in glaucomatous monkey eyes. J Glaucoma. 2004;13:385–8.13. Conway S, Canning SJ, Howell HE, Mowat ES, Barrett P, Drew JE et al. Characterisation of human melatonin MT(1) and MT(2) receptors by CRE-luciferase reporter assay. Eur J Pharmacol. 2000;390:15–24.14. Martinez-Aguila A, Pintor J. Melatonin analogue agomelatine reduces rabbit’s intraocular pressure in normotensive and hypertensive conditions. Eur J Pharmacol. 2013;701:213–7.15. Alarma-Estrany P, Crooke A, Mediero A, Pelaez T, Pintor J. Sympathetic nervous system modulates the ocular hypo-tensive action of MT2-melatonin receptors in normotensive rabbits. J Pineal Res. 2008;45:468–75.