“…We made a similar finding in the Sulawesi bear cuscus. Our findings as well as those carried out on the red kangaroo (Klećkowska-Nawrot, Goździewska-Harłajczuk, ) and other animals revealed the presence of numerous tarsal glands-yellow columns arranged parallel to each other and perpendicular to the posterior palpebral margin (Al-Ramadan, 2015;Fahmy, Arnautovic, & Abdal, 1971;Gilbart, Rossi, & Heyda, 1989;Hoffman, Miller, Marchinton, & Osborn, 1997;Knop & Knop, 2009;Osborn et al, 2000;Rehorek, Hillenius, Leigh, et al 2010;Sullivan, Dartt, & Meneray, 1998). The secretion from the tarsal glands forms an oil layer of tear film that covers the aqueous component of the tear film, preventing excess water evaporation (Butovich, Lu, McMahon, & Eule, 2012;Knop & Knop, 2009;Korb & Greiner, 1994;Korb et al, 1996;Mishima & Maurice, 1961).…”