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"Moon blindness" on an Icelandic horse Advanced stage of disease Advanced stage of disease ERU on an Icelandic horse. Equine recurrent uveitis (ERU) – also known as moon blindness, recurrent iridocyclitis, or periodic ophthalmia [1] – is an acute, nongranulomatous inflammation of the uveal tract of the eye, occurring commonly in horses of all breeds, worldwide.
Plants can cause reactions ranging from laminitis (found in horses bedded on shavings from black walnut trees), anemia, kidney disease and kidney failure (from eating the wilted leaves of red maples), to cyanide poisoning (from the ingestion of plant matter from members of the genus Prunus) and other symptoms.
Cherry eye is a disorder of the nictitating membrane (NM), also called the third eyelid, present in the eyes of dogs and cats. [1] Cherry eye is most often seen in young dogs under the age of two. [2] Common misnomers include adenitis, hyperplasia, adenoma of the gland of the third eyelid; however, cherry eye is not caused by hyperplasia ...
[113] [114] Contact with the plant usually has no effect, [115] though its latex can cause an allergic reaction in sensitive individuals. [116] [117] It may also be mildly irritating to the skin or stomach [118] and sometimes causes diarrhea and vomiting if eaten. Sap introduced into the human eye may cause temporary blindness. [119]
The membrane can, however, be seen clearly by gently opening the eye of the healthy animal when it is asleep, or by pushing down/applying pressure on the eyeball, which will cause it to appear. In some breeds of dogs, the nictitating membrane can be prone to prolapse of the gland of the third eyelid, resulting in a condition called cherry eye .
When untreated, cherry eye can cause further issues for your pooch, such as conjunctivitis or corneal ulcers. Your dog needs the tear production of this little gland and will develop dry eyes if ...
In cattle, the most common sign is encephalitis, with fever, blindness, pressing against fixed objects, dullness, facial paralysis and circling. [ 5 ] The cow can follow the fence until it finds a corner, then staying there for a long time, pushing against the fence.
Glaucoma is a progressive condition the eye causes damage to the optic nerve. [7] The damage to the optic nerve is usually caused by intraocular pressure [8] of the eye being elevated. Glaucoma can be seen in dogs, and less commonly, cats. Treatment [9] can be in the form of ocular medication, like prescription eye drops.