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. 2017 Jan-Mar;10(1):3-4.
doi: 10.1016/j.optom.2016.03.002. Epub 2016 Apr 13.

Presence of melatonin in human tears

Gonzalo Carracedo  1 , Carlos Carpena  2 , Pablo Concepción  2 , Victor Díaz  2 , Miguel García-García  2 , Nahla Jemni  2 , Victoria Eugenia Lledó  2 , Marina Martín  2 , Cristina Pastrana  2 , Raquel Pelissier  2 , Albena Veselinova  2 , Xiaoyu Wang  2 , Jesus Pintor  3
Affiliations

Presence of melatonin in human tears

Gonzalo Carracedo et al. J Optom. 2017 Jan-Mar.
No abstract available

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Figures

Figure 1
Figure 1
Melatonin amount in human tears at different moments of the day. The morning (8 h) concentrations were (0.81[0.60, 0.99] μM (10–3 mol/L)), afternoon (15 h) concentrations were (0.94 [0.69, 1.40] μM) and night (24 h) concentrations were (1.67 [1.18, 3.25] μM) (medians and quartiles). Differences discussed in the text.
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