Basic research is in the area of ocular pharmacology, especially as it pertains to
control of the blood-ocular barriers and aqueous humor dynamics. Fluorophotometry is our
primary research tool for investigating both areas. Clinical research interests are
glaucoma, ocular trauma, and equine ophthalmology. 



Actinomyces endogenous endophthalmitis in a cat following multiple dental extractions (with H D. Westermeyer, J C. Whittemore, and J A. Lyons), Veterinary Ophthalmology (2013)

An 8-year-old, brachycephalic, mixed breed cat underwent full mouth tooth extractions for the treatment of...



Biometry, keratometry, and calculation of intraocular lens power for the bald eagle (Haliaeetus leucocephalus) (with S E. Kuhn, D V. Hendrix, M P. Jones, K H. Baine, and S R. Franklin), Veterinary Ophthalmology (2013)

OBJECTIVE: To document intraocular measurements and predict intraocular lens (IOL) power specific to the bald...



Screening ADAMTS10 in Dog Populations Supports Gly661Arg as the Glaucoma-Causing Variant in Beagles (with J Kuchtey, J Kunkel, J S. Sapienza, C E. Plummer, K N. Gelatt, and R W. Kuchtey), Investigative ophthalmology & visual science (2013)

PURPOSE: Previously, we mapped the disease locus in the beagle model of autosomal recessive primary...



Effects of a topically applied 2% delta-9-tetrahydrocannabinol ophthalmic solution on intraocular pressure and aqueous humor flow rate in clinically normal dogs. (with Diane Hendrix and K M. Fischer), American Journal of Veterinary Research (2013)

Objective: To determine the effects of topically applied 2% delta-9-tetrahydrocannabinol (THC) ophthalmic solution on aqueous...



Effects of one-week versus one-day preoperative treatment with topical 1% prednisolone acetate in dogs undergoing phacoemulsification. (with N. J. McLean, Diane V.H. Hendrix, and R. K. Vaughn), JAVMA (2012)

OBJECTIVE: To compare the effects of 2 preoperative anti-inflammatory regimens on intraocular inflammation following phacoemulsification....




Evaluation of topical delivery methods for the introduction of siRNAs into feline corneal cells in vivo (with R P. Wilkes, K M. Newkirk, J K. Adams, and S A. Kania), American Journal of Veterinary Research (2013)

Objective—To evaluate agents used for delivery of small interfering RNAs (siRNAs) into feline corneal cells,...



Conjunctival xanthoma in a blue and gold macaw (Ara ararauna). Souza M, Johnstone-McLean N, Ward D, Newkirk K (with Marcy J. Souza, Nancy S. Johnstone-McClean, and Kim M. Newkirk), Veterinary Ophthalmology (2009)