One finding observed exclusively in MRLS was unilateral uveitis; initially, affected horses expressed inflammation around a single eye, along with fluid accumulation on the corneas, posterior chambers due to the inflammation.
12.
They are attached by their periphery to three or four of the ridges of the orbiculus ciliaris, and are continuous with the layers of the choroid : their opposite extremities are free and rounded, and are directed toward the posterior chamber of the eyeball and circumference of the lens.
13.
It can be differentiated from its cogenerate species by possessing two contiguous stomal chambers with two large teeth ( dorsal and one ventral ) in the posterior chamber, and two subventral teeth in the anterior one; having a short body ( length averaging ); the length of its pharynx and tail; carrying two cervical setae laterally, and showing pores along its body, among other characteristics.
