Eyes test results
Breeding rules and recommendations are different per country.
Some require to test the eyes for hereditary diseases but do not always consider the same eye abnormities disqualifying for breeding.
So what might mean clear in one country, doesn't necessarily mean clear in another.
The date mentioned is the date of the eyetest results, if a more recent test has been done please inform us.
Most common eye disorders in the leonberger are:
- Cataract: any opacity of the lens and/or its capsule, regardless of size or location within the lens. Cataracts are assumed to be hereditary unless associated with known trauma, ocular inflammation, specific metabolic diseases, or nutritional deficiencies.
- Distichiasis: the presence of abnormally oriented eyelashes, frequently protruding from Meibomian gland ductal openings.
- Ectropion: a conformational defect resulting in eversion of the eyelid margin, which may cause ocular irritation due to exposure. It is likely that ectropion is influenced by several factors defining the skin and other structures, which make up the eyelids, orbital contents, and conformation of the skull.
- Glaucoma: characterized by an elevation of intraocular pressure (IOP) which causes optic nerve and retinal degeneration and results in blindness. Diagnosis and classification of glaucoma requires tonometry and gonioscopy, which are not part of a routine eye certification examination.
- Goniodysgenesis: congenital anomaly characterized by the persistence of a variably fenestrated sheet of uveal tissue spanning the iridocorneal angle, extending from the iris base to the peripheral cornea. Diagnosis is by gonioscopy, which is not part of a routine eye certification examination.
- Macroblepharon: an exceptionally large palpebral fissure. Macroblepharon in conjunction with laxity of the lateral canthal structures may lead to lower lid ectropion and upper lid entropion. Either of these conditions may lead to severe ocular irritation.
- Persistent pupillary membranes (PPM): persistent blood vessel remnants in the anterior chamber which fail to regress normally by 3 months of age. These strands arise from the iris collaret and may bridge from iris to iris, iris to lens, iris to cornea, or form sheets of tissue in the anterior chamber.
For info of existing eye abnormities we refer to
ECVO: European College of Veterinary Ophthalmologists: www.ecvo.org/
BrAVO: British Association of Veterinary Ophthalmologists: www.bravo.org.uk
ACVO: American College of Veterinary Ophthalmologists: www.acvo.org