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Veterinary Ophthalmology

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https://www.readbyqxmd.com/read/28799265/surgical-excision-of-a-feline-orbital-lacrimal-gland-adenocarcinoma-with-adjunctive-cryotherapy-and-carboplatin-impregnated-bead-implantation
#1
Daniel M Dorbandt, Alycen P Lundberg, Patrick J Roady, Jane A Huey, Heidi Phillips, Ralph E Hamor
The purpose of this report was to discuss the diagnosis, treatment, and outcome of a cat with an orbital lacrimal gland adenocarcinoma. A 14.5-year-old spayed female domestic shorthair cat was evaluated for a firm swelling at the left dorsotemporal orbital rim. The orbital mass was excised with preservation of the globe, and adjunctive cryotherapy was performed. A definitive diagnosis of lacrimal gland adenocarcinoma was obtained after histopathologic evaluation and histochemical staining with periodic acid-Schiff and mucicarmine...
August 10, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28799185/punctate-retinal-hemorrhage-and-its-relation-to-ocular-and-systemic-disease-in-dogs-83-cases
#2
Nathaniel P Violette, Eric C Ledbetter
OBJECTIVE: To describe clinical aspects of dogs with punctate retinal hemorrhage (PRH). ANIMALS STUDIED: 83 dogs (119 eyes) with PRH. PROCEDURES: Medical records of dogs evaluated by the Cornell University ophthalmology service with a clinical diagnosis of PRH between 2006 and 2015 were reviewed. For this study, PRH was defined as retinal hemorrhages ≤ 1 optic disk diameter in size and dogs with other posterior segment ocular diseases were excluded...
August 10, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28782234/causes-and-outcomes-of-dogs-presenting-with-hyphema-to-a-referral-hospital-in-colorado-a-retrospective-analysis-of-99-cases
#3
Maggie R Jinks, Francisco Olea-Popelka, Kate S Freeman
OBJECTIVE: To investigate the causes of hyphema in dogs and identify factors associated with poor visual outcomes. ANIMALS STUDIED: Ninety-nine dogs (120 eyes) that presented with hyphema. PROCEDURE: Medical records from the Colorado State University Veterinary Teaching Hospital between the years 2004-2015 were reviewed. RESULTS: Overall, 36.4% of dogs were diagnosed with hyphema from systemic causes, 32.9% due to local ocular disease, 26...
August 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28776921/retinal-detachment-and-glaucoma-in-the-boston-terrier-and-shih-tzu-following-phacoemulsification-135-patients-2000-2014
#4
Braidee C Foote, Samantha L Pederson, Anja Welihozkiy, Jessica M Stine, Susan M Carastro, Stacy E Andrew, Tammy M Michau
OBJECTIVES: To report the cumulative incidence of retinal detachment (RD) and glaucoma following phacoemulsification in Boston Terriers and Shih Tzu in the southeastern United States over a 14-year period and investigate the potential predisposing risk factors. METHODS: Medical records of 83 Shih Tzu and 52 Boston Terriers that underwent phacoemulsification between 2000 and 2014, with or without intraocular lens placement, were reviewed. For a comparison population, phacoemulsification data from 45 Labrador Retrievers, 73 Schnauzers, and 159 Bichon Frises were evaluated...
August 3, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28745006/nevus-of-ota-oculodermal-melanocytosis-in-a-dog
#5
Pedro Malho, Anita Shea, David Donaldson
A 5-year-old, female, spayed Rhodesian Ridgeback presented with ocular melanocytosis and skin hyperpigmentation involving the distribution of the first and second divisions of the trigeminal nerve on the right side of the face. The dermatomal pattern of the hyperpigmentation was similar to nevus of Ota or oculodermal melanocytosis reported in humans. This condition has been associated with increased risk of developing secondary glaucoma and melanoma transformation in skin, ocular, orbital tissues, and the central nervous system...
July 25, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28714289/abstracts
#6
(no author information available yet)
No abstract text is available yet for this article.
July 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28714237/effects-of-intracameral-ascorbic-acid-on-the-corneal-endothelium-of-dogs-undergoing-phacoemulsification
#7
Ivan R M Padua, Gisele P Valdetaro, Tiago B Lima, Karina K Kobashigawa, Paloma E S Silva, Marcela Aldrovani, Pedro P M Padua, Jose L Laus
OBJECTIVE: Cataracts are the most common ocular disorder in dogs. Phacoemulsification is the preferred treatment method among ophthalmologists, but the cellularity of the endothelium must be considered for its success, as endothelial lesions may produce permanent corneal decompensation. The objective of this study was to evaluate the effects of intracameral ascorbic acid, a known antioxidant, on the corneal endothelium of dogs undergoing phacoemulsification. ANIMAL STUDIED: In all, 40 eyes from 20 dogs, males and females from 7 to 12 years of age, were assessed for mature cataracts...
July 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28714189/esthesiometric-evaluation-of-corneal-analgesia-after-topical-application-of-1-morphine-sulfate-in-normal-horses
#8
Emma Gordon, Christy Sandquist, Christopher K Cebra, Jerry Heidel, Keith Poulsen, John W Schlipf
OBJECTIVE: To evaluate whether topical ocular application of 1% morphine sulfate would change corneal sensitivity and to identify the duration of action. ANIMAL STUDIED: Eight healthy adult horses. PROCEDURE: Corneal touch threshold (CTT) was measured in the center of one randomly selected eye of each horse by Cochet-Bonnet esthesiometer (Luneau Cochet-Bonnet Esthesiometer; Western Ophthalmics, Lynnwood, WA, USA). Immediately following baseline CTT measurement, 0...
July 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28714087/clinical-and-pathological-classification-of-canine-intraocular-lymphoma
#9
Matthew R Lanza, Ayla R Musciano, Richard D Dubielzig, Amy C Durham
The objectives of this retrospective study of 100 dogs with intraocular lymphoma were to describe the histomorphologic and immunohistochemical features of canine intraocular lymphoma, determine the proportion of cases with presumed solitary ocular lymphoma (PSOL) compared to multicentric disease, and assess the clinical outcomes of these patients. Selected cases from Penn Vet Diagnostic Laboratory and Comparative Ocular Pathology Lab of Wisconsin (2004-2015) were evaluated and subtyped using the WHO classification system...
July 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28702949/genetic-analysis-of-optic-nerve-head-coloboma-in-the-nova-scotia-duck-tolling-retriever-identifies-discordance-with-the-nhej1-intronic-deletion-collie-eye-anomaly-mutation
#10
Emily A Brown, Sara M Thomasy, Christopher J Murphy, Danika L Bannasch
Collie eye anomaly (CEA) encompasses a spectrum of different ophthalmic phenotypes from clinically inconsequential choroidal hypoplasia to blindness from coloboma of the optic nerve head (ONH). A previous study found a 7.8-kb deletion in intron 4 of the NHEJ1 gene to be associated with CEA. A genetic test based on this association is recommended for many breeds, including the Nova Scotia Duck Tolling Retriever (NSDTR). Collection of ONH coloboma-affected NSDTR showed lack of concordance of the NHEJ1 intronic deletion with ONH coloboma...
July 12, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28685998/iridociliary-cysts-masquerading-as-neoplasia-in-cats-a-morphologic-review-of-14-cases
#11
Jessica A Fragola, Richard R Dubielzig, Ellison Bentley, Leandro B C Teixeira
OBJECTIVE: To report 14 neoplasia-free feline eyes enucleated for suspected intraocular neoplasia containing only iridociliary cysts. To analyze clinical findings that may have led veterinarians to suspect neoplasia in these globes. PROCEDURES: The archives at the Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) were searched to identify neoplasia-free feline globes enucleated for suspected neoplasia. Clinical data were obtained from medical records, veterinarian surveys, and COPLOW submission forms...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28685927/altering-equine-corneal-fibroblast-differentiation-through-smad-gene-transfer
#12
Todd L Marlo, Elizabeth A Giuliano, Ratnakar Tripathi, Ajay Sharma, Rajiv R Mohan
OBJECTIVE: To explore the impact of equine corneal fibroblast (ECF) to myofibroblast (ECM) differentiation by altering the expression of the Smad genes either individually or in combination. Specifically, we sought to examine the ECF differentiation after (a) silencing of Smad2, 3, and 4 profibrotic genes individually and (b) overexpression of antifibrotic Smad7 gene and in a combination with pro- and antifibrotic Smad genes. METHODS: Equine corneal fibroblast primary cultures were generated as previously described...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28653355/strip-meniscometry-in-dogs-cats-and-rabbits
#13
Seyed Mehdi Rajaei, Maneli Ansari Mood, Faezeh Asadi, Mohammad Reza Rajabian, Leila Aghajanpour
OBJECTIVE: The purpose of this study was to establish the normal values of strip meniscometry (SM) as a lacrimal function test and to compare the results with Schirmer tear test I (STT I) in dogs, cats, and rabbits. ANIMALS STUDIED: Sixty healthy adult dogs from twelve different breeds (120 eyes), twenty adult healthy domestic shorthair cats (40 eyes) and eighteen adult healthy New Zealand white rabbits (36 eyes) were used in this study. PROCEDURES: Lacrimal function was tested by SM tube in all animals...
June 26, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28635138/snake-spectacle-vessel-permeability-to-sodium-fluorescein
#14
Roy W Bellhorn, Ann R Strom, Monica J Motta, John Doval, Michelle G Hawkins, Joanne Paul-Murphy
OBJECTIVE: Assess vascular permeability of the snake spectacle to sodium fluorescein during resting and shedding phases of the ecdysis cycle. ANIMAL STUDIED: Ball python (Python regius). PROCEDURES: The snake was anesthetized, and spectral domain optic coherence tomography was performed prior to angiographic procedures. An electronically controlled digital single-lens reflex camera with a dual-head flash equipped with filters suitable for fluorescein angiography was used to make images...
June 20, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28635137/effect-of-body-position-eyelid-manipulation-and-manual-jugular-compression-on-intraocular-pressure-in-clinically-normal-cats
#15
Seyed Mehdi Rajaei, Faezeh Asadi, Mohammad Reza Rajabian, Hesam Ostadhassan, Manuela Crasta
OBJECTIVE: To determine the effect of body position, eyelid manipulation, and manual jugular compression on intraocular pressure (IOP) in clinically normal cats. ANIMAL STUDIED: TWENTY-ONE ADULT CLIENT-OWNED DOMESTIC SHORTHAIR CATS: PROCEDURES: The IOP was measured by means of rebound tonometer. A baseline IOP was measured in all cats in ventral recumbency with normal head position (horizontal to the ground) with no pressure on the neck or eyelids. To measure the IOP in dorsal recumbency, each cat was held in the dorsal recumbency position for 5 min...
June 20, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28598549/the-presence-of-minocycline-in-the-tear-film-of-normal-horses-following-oral-administration-and-its-anticollagenase-activity
#16
Caroline S Monk, Sun Young Jeong, Daniel James Gibson, Caryn E Plummer
PURPOSE: Tetracyclines have activity against matrix metalloproteinases (MMP). Oral medications with effects on the ocular surface are of interest in patients where repeated topical dosing is limited. The aim of this study was to characterize the concentration of minocycline in the tears of normal horses after oral administration and to determine if this level directly inhibits MMP activity. METHODS: Five healthy adult ponies were administered oral minocycline (Wedgewood Pharmacy; Swedesboro, NJ) at 4 mg/kg every 12 h for 5 days...
June 9, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28597994/corneal-sensitivity-and-tear-production-in-108-horses-with-ocular-disease
#17
Kelly E Knickelbein, Nicole M Scherrer, Mary Lassaline
PURPOSE: To compare corneal sensitivity and tear production in horses with keratitis to horses with other ocular disease. METHOD: Retrospective medical record review was used to identify equine patients presented during a 1-year period for an ocular complaint who had Schirmer Tear Test (STT) or Corneal Touch Threshold (CTT) measured. Variables studied included patient age and sex; affected eye; category of presenting ocular complaint (keratitis vs. other ocular complaint); STT; and CTT...
June 9, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28557367/septic-keratitis-in-dogs-cats-and-horses-in-switzerland-associated-bacteria-and-antibiotic-susceptibility
#18
Anja Suter, Katrin Voelter, Sonja Hartnack, Bernhard Martin Spiess, Simon Anton Pot
OBJECTIVE: To evaluate the most common bacterial pathogens associated with septic keratitis in veterinary patients from Switzerland. The second objective was to analyze antibiotic susceptibility test results of the identified bacterial pathogens. The third objective was to evaluate potential breed predispositions to septic keratitis. PROCEDURES: Two hundred and fifty-five cultures and antibiotic susceptibility reports from dogs, cats, and horses with septic keratitis that were presented to the University of Zurich Veterinary Medical Teaching Hospital between 2009 and 2013 were reviewed...
May 29, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28742286/evaluation-of-systemic-absorption-and-renal-effects-of-topical-ophthalmic-flurbiprofen-and-diclofenac-in-healthy-cats
#19
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27624855/canine-ocular-onchocerciasis-a-retrospective-review-of-the-diagnosis-treatment-and-outcome-of-16-cases-in-new-mexico-2011-2015
#20
Nancy Johnstone McLean, Kimberly Newkirk, Coenraad M Adema
OBJECTIVE: To describe the clinical exam findings, treatment and outcomes of 16 dogs diagnosed with ocular onchocerciasis in New Mexico. MATERIALS AND METHODS: Records of dogs diagnosed by the primary author were reviewed (2011-2015). Records that were accessible and included a diagnosis of Onchocerca lupi by histopathologic or molecular identification of the nematode were included. RESULTS: Sixteen cases were included. 3/16 dogs were treated with year-round heartworm prophylaxis prior to infection...
July 2017: Veterinary Ophthalmology
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