1. Ophthalmic anatomy;Samuelson,2013
2. Lacrimal system;Miller,2008
3. Ophthalmic examination and diagnostics, part 1: the eye examination and diagnostic procedures;Featherstone,2013
4. Results of the Schirmer tear test performed with open and closed eyes in clinically normal horses;Trbolova;Acta Vet. Scand,2017
5. Cochet-Bonnet aesthesiometer-determined corneal sensitivity in neonatal foals and adult horses;Brooks;Vet Ophthalmol,2000