Fig. (1) IgE (A) and IL-10 (B) levels in serum, and LXA4 levels in aqueous/vitreous humour (C) (ELISA) from DO11.10TcR-Tg mice (C-) exposed to OVA for 6 h (C+) and treated for 24 (white bars) or 72 h (grey bars) with placebo (P) or Levocetirizine ophthalmic solution at five different concentrations. *p<0.05 vs C+, ^ap<0.05 vs placebo, Student’s t-test (n = 6), ^bp<0.05 ANOVA.