The uveal tract includes which of the following?
ciliary body
choroid
iris
lens
retina
pupil
Which of the following symptoms would have a differential list of: (conjunctivitis, ulceration, uveitis)
red eye
corneal oedema
miosis
hypotony
: there is subretinal fluid accumulation from inflamed choroid and can lead to retinal detachment and loss of vision.
Uveitis in cats is associated in all of the below conditions but which ones should you test for?
FeLV
FIV
Toxoplasma
FIP
TB
Lymphoma
Glaucoma can be secondary to uveitis but which are the signs that are individual to Glaucoma only and are differentiating signs?
pain
pupil enlarged
High IOP
Pupil constricted
low IOP
This is a ......... It is more common in ............ Need to differentiate from a ...............
What is true about melanomas in the eyes of cats and dogs? Dogs: commonly ❌, involving the ❌ and peripheral iris, eventually cause ❌ Cats: usually ❌, should always remove, need to differentiate from ❌, secondary glaucoma possible
Primary glaucoma - - Closed primary glaucoma: ○ Defect in the when it ends up being closed ○ Bilaterally but usually one first so act quick to save at least one eye ○ Many breeds effected. - Open angle glaucoma ○ Terriers and bassets ○ Rarer Lack of .
Ø More subtle (like feline uveitis) Ø Scleral congestion will be present Ø Rarely primary ex Burmese. Ø Corneal oedema is rare Ø Don't show pain as much.
What is the above describing?
feline glaucoma
lens luxation
ocular proptosis
melanoma
Fill in the blanks for the treatment of different presentation of lens lauxation If behind pupil = If full luxated through pupil = or return to the posterior chamber. Need to treat secondary .
Causes of proptosis: - ❌- younger dogs, acute, painful opening mouth adn may see on US. - ❌- older dog, only usually painful if infected. ❌ - young dog, acute, all masticatory muscles and often bilateral.
This is ............. It occurs as the ......... densely pack the .......... Vision is/is not greatly affected
○ <15% lens volume ○ >15% but less than 100% ○ = 100% of the lens volume and there is loss of retinal reflex (PLR) and menance. = opacity shrink and lens fibres resorbed.
Which of the following causes of cataracts can cause sudden progression of them and may present with acute onset blindness?
diabetic
inherited
post-uveitis
trauma
radiation
secondary to retinal detachment
What animal's retina is this? What are the anatomical structures?
T/F: the colour of the retina in the dog is generally similar after they become adults?
Which of the following causes increased tapetum reflectivity and decreased tapetum reflectivity respectively?
inflammation atrophy
oedema inflammation
atrophy inflammation
oedema atrophy
Match the causes of retinal atrophy with the facts about them Inflammation- can be hard to differentiate from ❌ Collie eye abnormality - ❌, blindness in pups, ❌ Progressive retinal atrophy - many breeds, can cause ❌, ❌ degeneration
Which is a better prognosis for retinal detachment?
serous
haemorrhagic
Hypertension is a common cause of in cats, associated with renal disease, and Conns dx >mmHg Do NOT if the cat has uncontrolled hypertension
T/F: exceeding 5mg/kg of enrofloxacin in cats will cause irreversible retinal detachment hence blindness.
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