A dog
with an iris coloboma this large may misjudge distances.
Not exact matches
Conte et al applied linkage mapping and exome sequencing of a five - generation British family
with dominant retinal degeneration and bilateral
iris coloboma («holes in the
iris»).
If you want to err on the side of extra caution, don't breed it to another dog
with iris hypoplasia nor to dogs
with a family history of
iris coloboma.
Dogs affected
with this condition will exhibit some combination of the following: Microphthalmia, eccentric pupils,
coloboma or other irregularities of the
iris, lens luxation, cataract, retinal dysplasia or detachment, persistent pupillary membrane, equatorial staphyloma or lack of a tapetum.
The most common eye diseases in the breed are cataracts, distichiaisis, persistent pupilary membrane, and
iris coloboma,
with Progressive Rod Cone Degeneration (PRCD), a form of progressive retinal atrophy (PRA), Collie Eye Anomaly (CEA), Canine Multifocal Retinopathy (CMR), and glaucoma have been seen but are rare.
His medical history includes
coloboma of the
iris with almost total vision loss of the left eye and myopia and astigmatism of the right eye.