Regarding the height of mucin cloud, again the two groups of rabbits with induced dry eye treated or not treated with HPMC suffered a deterioration of 35.81 ± 5.78% and 16.31 ± 4.70%, respectively, which was statistically significant in comparison with the healthy rabbits and the rabbits with dry eye treated with Artemia salina (p < 0.05). This evidence concerns the gene MUC5AC and dry eye syndrome.