A tiger with glaucoma

Thomas, Roanne; Navin, Shoba; Singh, T; Chakrabarti, Subhabrata

doi:10.1136/bjo.2006.099515

Cited by 5 publications

(6 citation statements)

References 2 publications

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“…There is a paucity of glaucoma reported in non‐domestic felids. Secondary glaucoma associated with trauma has previously been reported in a tiger and two lions 12 . Congenital glaucoma has been documented in a single African lion cub 11 .…”

Section: Discussionmentioning

confidence: 86%

“…Although there are shared clinical signs with open‐angle primary and secondary glaucoma, the degree of buphthalmos can be more severe due to decreased scleral rigidity in young animals 8 . There are often other ocular malformations concurrent with congenital glaucoma, including microphakia, spherophakia, ectopia lentis, iridoschisis, pectinate ligament dysplasia, iridociliary cysts, iris hypoplasia, and persistent pupillary membranes 3,6,8–10 In wild felids, congenital glaucoma and secondary glaucoma have been documented in one lion 11 and one tiger, 12 respectively. A diagnosis of congenital glaucoma in a tiger has yet to be reported to the authors' knowledge.…”

Section: Introductionmentioning

confidence: 99%

“…congenital glaucoma, including microphakia, spherophakia, ectopia lentis, iridoschisis, pectinate ligament dysplasia, iridociliary cysts, iris hypoplasia, and persistent pupillary membranes 3,6,[8][9][10] In wild felids, congenital glaucoma and secondary glaucoma have been documented in one lion 11 and one tiger, 12 respectively. A diagnosis of congenital glaucoma in a tiger has yet to be reported to the authors' knowledge.…”

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confidence: 99%

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Congenital glaucoma in a tiger (Panthera tigris)

Dianis,

Pinard,

Pagliarani

et al. 2023

Veterinary Ophthalmology

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Glaucoma is a group of diseases where increased intraocular pressure (IOP) causes progressive damage to the optic nerve and extensive loss of retinal ganglion cell bodies leading to vision loss. 1,2 Secondary glaucoma accounts for 95%-98% of cases in domestic cats. 1,3 Primary glaucoma has been reported in Siamese, European short-haired, Burmese, and Domestic short-haired breeds. [4][5][6][7] Open-and narrow-angle are most commonly reported in cats, 2,6,7 with closed-angle primary glaucoma described in only two Burmese cats. 6 Congenital glaucoma is rare in cats but has been documented in Siamese cats. [8][9][10] Although there are shared clinical signs with open-angle primary and secondary glaucoma, the degree of buphthalmos can be more severe due to decreased scleral rigidity in young animals. 8 There are often other ocular malformations concurrent with

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Section: Discussionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

See 1 more Smart Citation

Congenital glaucoma in a tiger (Panthera tigris)

Dianis,

Pinard,

Pagliarani

et al. 2023

Veterinary Ophthalmology

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“…Many previous studies on ocular diseases in nondomestic felids have been primarily case reports or were focused on one species and/or one disease process. There are several reports on congenital/hereditary ocular diseases, 39–46 lenticular diseases, 25,26,28–30,32 glaucoma, 37,38 and ocular/periocular neoplasias, 16,47 among others. To the authors’ knowledge, this is the first report of the prevalence and type of ocular disease in a population of aged captive nondomestic felids.…”

Section: Discussionmentioning

confidence: 99%

“…There are two reports of secondary glaucoma in nondomestic felids. One was a case report of an African lion cub with increased mast cells in the uveal tract, 37 and the other was a small case series of two lions and one tiger that were rescued from the same circus 38 . Both lions had displaced lenses and secondary glaucoma, while the tiger was diagnosed with anterior staphyloma with secondary glaucoma.…”

Section: Introductionmentioning

confidence: 99%

Prevalence and type of ocular disease in a population of aged captive nondomestic felids

Nguyen

Boorstein²,

Wynn³

et al. 2021

Veterinary Ophthalmology

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Objectives Report of prevalence and type of ocular disease in a captive population of nondomestic felids. Methods Medical records of 202 cats from 1993 to 2018 were reviewed. Species, age at diagnosis, sex, ocular examination abnormalities, systemic/physical examination abnormalities, type of examination (visual, sedated, or anesthetized), ocular structures affected, other diagnostics, therapy, and resolution of ocular disease were recorded. Results A total of 202 nondomestic felids including 18 different species (bobcat, caracal, cougar, Fishing cat, Geoffroy's cat, jaguar, jungle cat, leopard, leopard cat, liger, lion, lynx, ocelot, Sand cat, Savannah cat, serval, snow leopard, and tiger) from a rescue facility were evaluated. Forty‐six ocular lesions were diagnosed in 33 (16.3%) cats from 8 different species (bobcat, caracal, cougar, leopard, lion, ocelot, serval, and tiger) with a mean age of 16 ± 5.9 years at time of diagnosis. Ocular lesions included corneal disease (37%) (ulcerations, perforations, keratitis, corneal scars), cataracts (23.9%), hyphema (8.7%), lens luxation (6.5%), retinal detachment (6.5%), uveitis (4.3%), conjunctival disease (4.3%), retinal degeneration (2.1%), glaucoma (2.1%), and optic neuritis (2.1%). Therapies included medical (topical antibiotics, anti‐inflammatories, serum, etc.) and/or surgical management (enucleation, intracapsular lens extraction, corneoconjunctival transposition, and corneal burr debridement). Conclusions To the authors’ knowledge, this is the first report of the prevalence of ocular disease in a population of captive nondomestic felids. It is difficult to diagnose and treat ocular disease in nondomestic cats due to challenges related to handling, diagnostics, and therapeutics in nondomestic species. Ocular disease seen in this population is similar to that found in domestic cat populations.

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