• optic
  • Failure of the cells of the posterior portion of the optic vesicles to express growth hormone affects the differentiation of other cells of the eye. (wikipedia.org)
  • The choroid, especially lateral to the optic disc, is hypoplastic (underdeveloped). (wikipedia.org)
  • The most common sign of CEA is the presence of an area of undeveloped choroid (appearing as a pale spot) lateral to the optic disc. (wikipedia.org)
  • Optic neuritis , or swelling of the optic disk, is considered a very serious condition that could be life threatening, and as such, great care must be taken to help your dog to maintain proper health. (petmd.com)
  • iris
  • Although a distinction is frequently made between heterochromia that affects an eye completely or only partially (segmental heterochromia), it is often classified as either genetic (due to mosaicism or congenital) or acquired, with mention as to whether the affected iris or portion of the iris is darker or lighter. (wikipedia.org)
  • The lighter eye is typically regarded as the affected eye as it usually shows iris hypoplasia. (wikipedia.org)
  • It may affect an iris completely or only partially. (wikipedia.org)
  • Iridocorneal endothelium syndrome Iris ectropion syndrome Fuchs heterochromic iridocyclitis - a condition characterized by a low grade, asymptomatic uveitis in which the iris in the affected eye becomes hypochromic and has a washed-out, somewhat moth eaten appearance. (wikipedia.org)
  • dog's
  • The test can determine whether a dog is affected, a carrier, or clear, and is therefore a useful tool in determining a particular dog's suitability for breeding. (wikipedia.org)
  • Although working Border Collie handlers sometimes have superstitions about the appearance of their dogs (handlers may avoid mostly white dogs due to the unfounded idea that sheep will not respect a white or almost all white dog), in general a dog's appearance is considered by the American Border Collie Association to be irrelevant. (wikipedia.org)
  • Exophthalmos, enophthalmos, and strabismus are all diseases which cause the dog's eyeball to be abnormally positioned. (petmd.com)
  • Any aspect of structure or temperament that would impede the dog's ability to function as a herding dog should be severely faulted. (minepuppy.com)
  • Diagnosis
  • Diagnosis and treatment of ocular fundus disorders of geriatric dogs" (PDF). (wikipedia.org)
  • Because these signs are vague and can be mistaken for other conditions, it's easy to miss this disease as a diagnosis until it reaches more advanced stages. (canna-pet.com)
  • citation needed] Studies by Cohen show that up to 25% of all low back pain is sacroiliac joint in origin and that the diagnosis of sacroiliac joint disease is frequently overlooked by physicians. (wikipedia.org)
  • coloboma
  • A coloboma may be small and have very little effect on vision, or it can be a larger hole that takes away too much of the eye structure and leads to partial or full blindness, or to retinal detachment. (petmd.com)
  • Otodental syndrome, also known as otodental dysplasia, is an exceptionally rare disease that is distinguished by a specific phenotype known as globodontia, that in rare cases can be associated with eye coloboma and high frequency hearing loss. (wikipedia.org)
  • genetic
  • While a veterinarian can determine through genetic analysis whether your dog has this defect, there may be no symptoms, until the onset of blindness signals you to the problem. (petmd.com)
  • Collie eye anomaly (CEA) and epilepsy are considered the primary genetic diseases of concern in the breed at this time. (minepuppy.com)
  • The American Academy of Veterinary Dermatology recommends neutering or spaying all dogs that develop generalized demodectic mange because there is a genetic link. (canna-pet.com)
  • Other possible, less severe, symptoms involve: Absent premolars - individuals suffering from otodental syndrome will typically lack the ability to develop premolars due to its genetic related affects. (wikipedia.org)
  • homozygous
  • Dogs homozygous for the merle gene, sometimes referred to as "double merles", are likely to have ocular and/or auditory defects. (minepuppy.com)
  • secondary
  • Other skin diseases related to allergies include hot spots and pyoderma, both characterized by secondary bacterial infections, food allergy, ear infections, and flea allergy dermatitis. (thedogtrainingnetwork.com)
  • More severe symptoms include: Globodontia - an abnormal condition that can occur in both primary and secondary tooth development, in which the molars and canines are greatly enlarged. (wikipedia.org)
  • veterinarian
  • When treating your dog or cat at home without consulting a veterinarian, you could be putting your beloved pet's health in jeopardy. (petmd.com)
  • ocular
  • Less common signs of nasal disease include stertorous breathing, pawing or rubbing at the nose or mouth, facial pain, facial deformity, ocular discharge, exophthalmos, or fetid breath. (cynologist.com)
  • stages
  • There are stages of this disease, some more obvious that others, that lead up to the final outcome. (petmd.com)
  • abnormality
  • The parents may not be affected by the mutation, and may therefore not have been diagnosed with the abnormality, but offspring can be affected, especially when both parents carry the mutation. (petmd.com)
  • Neurodegenerative disorders are diseases associated with an abnormality in the metabolic pathway that leads to early death of the neuron. (cynologist.com)
  • Since the choroid layer does not develop normally from the start, the primary abnormality can be diagnosed at a very young age. (collie-online.com)
  • infection
  • There is an increased risk of infection associated with amount of time spent outdoors, a larger roaming space accessed by the dog, and increasing age. (wikipedia.org)
  • often
  • They are often cited as the most intelligent of all domestic dogs. (wikipedia.org)
  • As this is a bilaterally symmetrical disease, the vestibular signs often present as wide excursions of the head and neck with poor to absent physiological nystagmus. (cynologist.com)
  • It's thought of as a puppy disease, and often clears up on its own. (canna-pet.com)
  • Infected dogs might have a variety of signs, but most often have a sudden behavioral change and progressive paralysis. (thedogtrainingnetwork.com)
  • allergic
  • In dogs, this condition is almost always caused by an allergic reaction to something in the environment, which in turn causes an inflammatory response in the upper airways. (canna-pet.com)
  • Atopy is an allergic skin condition in dogs caused by exposure to normally innocuous substances in the environment such as house dust mite, pollen from trees, flowers or grasses and mould spores that are absorbed through the skin or inhaled. (allcreaturesvetbroome.com.au)
  • Atopy, a chronic allergic condition, is thought to affect up to 10 percent of dogs. (thedogtrainingnetwork.com)
  • diabetes
  • An individual may be predisposed to the development of FBS due to systemic disorders such as diabetes, autoimmune disease and peripheral blood vessels (vascular) disease. (wikipedia.org)
  • puppy
  • This can be done when your dog is still a puppy, ans is recommended. (petmd.com)
  • symptoms
  • Symptoms and treatment for kidney disease vary depending the specifics of the case, but oftentimes, a diet change can help. (petmd.com)
  • Up to 80 percent of dogs infected will have symptoms, but the mortality rate is only 5 to 8 percent. (wikipedia.org)
  • breeds
  • The condition is most frequently seen in the Lhasa apso, Shih Tzu, Pekingese, poodle, and Chinese pug dog breeds and infrequently in the Persian cat. (cynologist.com)
  • severe
  • More severe signs occur when a dog is stressed or when potassium levels get high enough to interfere with heart function, causing severe shock and death. (canna-pet.com)
  • If they eat chocolate, the theobromine can remain in their bloodstreams for days, and dogs may experience fast heart rate, severe diarrhea, epileptic seizures, heart attacks, internal bleeding, and eventually death. (thedogtrainingnetwork.com)
  • medium-sized
  • The Border Collie is a well balanced, medium-sized dog of athletic appearance, displaying style and agility in equal measure with soundness and strength. (minepuppy.com)
  • collie
  • The Border Collie is a working and herding dog breed developed in the Anglo-Scottish border region for herding livestock, especially sheep. (wikipedia.org)
  • The breed's herding trait has been deliberately encouraged, as it was in the dogs from which the Border Collie was developed, by selective breeding for many generations. (wikipedia.org)
  • A working collie may run many miles a day, using its experience, personality and intelligence to control challenging livestock, and these dogs will be distressed and frustrated if left in isolation, ignored or inactive. (wikipedia.org)
  • For this reason, early examination of your collie (or herd dog) in the first six to eight weeks of life is highly recommended. (petmd.com)
  • The Border Collie is, and should remain, a natural and unspoiled true working sheep dog whose conformation is described herein. (minepuppy.com)
  • intense
  • Allergies can cause intense itching and discomfort, which means dogs will dig and chew sometimes till they bleed. (canna-pet.com)