Difference between revisions of "Haw's syndrome"

From Cat
 
(2 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
[[Image:haws01.jpg|thumb|Haw's syndrome in a cat]]
 
[[Image:haws01.jpg|thumb|Haw's syndrome in a cat]]
  
 +
Haw's syndrome is a common [[ophthalmology|eye disease]] of cats, characterised by bilateral elevation of the third eyelids. Bilateral elevation of third eyelids is seen when a cat wakes from sleep, but if prolonged, may reflect a disease state. All other aspects of the ophthalmic examination are usually normal.
  
Haw's syndrome is a common [[ophthalmology|eye disease]] of cats, characterised by bilateral elevation of the third eyelids. In many cats, it is a temporary occurrence seen when a cat wakes from sleep, or is sick. All other aspects of the ophthalmic examination normal. This problem normally resolves in 3-4 weeks without treatment, and often reflects malaise due to other underlying problems, such as:
+
Haw's syndrome normally resolves once the underlying disease is corrected. In cats, disease states which can cause Haw's syndrome include:
 
*[[parasites]]
 
*[[parasites]]
*[[Cat Flu]] or other viral infections
+
*[[Cat Flu|cat flu]] or other viral infections (e.g. [[FeLV]], [[FIV]])
*Tranquilization: many tranquilizers (e.g., acepromazine) cause bilateral elevation of the third eyelid. Fatigue can cause transient third eyelid elevation, especially in cats prone to [[Ectropion uveae|ectropion]].
+
*tranquilization - many pre-anaesthetic drugs such as acepromazine cause relaxation of third eyelid muscles resulting in bilateral elevation.  
 +
*fatigue - can cause transient third eyelid elevation, especially in cats prone to [[Ectropion uveae|ectropion]].
 
*[[Horner's syndrome]]
 
*[[Horner's syndrome]]
 
*[[Dysautonomia|Dysautonomia (Key-Gaskell syndrome)]]
 
*[[Dysautonomia|Dysautonomia (Key-Gaskell syndrome)]]

Latest revision as of 18:10, 29 March 2010

Haw's syndrome in a cat

Haw's syndrome is a common eye disease of cats, characterised by bilateral elevation of the third eyelids. Bilateral elevation of third eyelids is seen when a cat wakes from sleep, but if prolonged, may reflect a disease state. All other aspects of the ophthalmic examination are usually normal.

Haw's syndrome normally resolves once the underlying disease is corrected. In cats, disease states which can cause Haw's syndrome include: