Fig. 2. A, SPLs can be inserted into the upper or lower lid. This system was inserted into the upper eyelid. B, This SPL was inserted into the lower eyelid.
Fig. 3. A, SPL insertion: A gloved finger is used to probe the depths of the fornix and test the horse’s reaction. B, The trochar is carefully pushed through the palpebral conjunctiva and eyelid. C, The SPL tubing is pulled through the eyelid. D, The tubing footplate is pulled under the lid. Care must be taken to align the angle of the footplate with the angle of the palpebral conjunctiva. Photo courtesy of University of Illinois Comparative Ophthalmology Service, Amber Labelle, DVM, DACVO.