OPHTHALMIC REFERENCE VALUES AND LESIONS IN TWO CAPTIVE POPULATIONS OF NORTHERN OWLS : GREAT GREY OWLS (STRIX NEBULOSA) AND SNOWY OWLS (BUBO SCANDIACUS) - Sarah Wills (2016)
Keywords: Great grey owl; intraocular pressure (IOP); ocular ultrasound; ophthalmoscophy; Schirmer tear test (STT); Snowy owl