Podcast
Questions and Answers
How are cataracts classified?
How are cataracts classified?
Age of onset: Congenital vs Developmental Location: Capsular, subcapsular, equatorial, Cortical, nuclear, polar Maturity: Incipient, Immature, mature, hypermature, intumescent, Morgagnian
The definition of an immature cataract is ....
The definition of an immature cataract is ....
- a cataract in which the tapetal reflection can still be seen but 15 -99% of the lens is affected (correct)
- a cataract in which the tapetal reflection can not be seen but 15 -99% of the lens is affected
- a cataract in which examination of the fundus is no longer possible
- earliest stage of opacification and does not/minimally affects the tapetal reflection (<10%– 15%)
In the Boston terrier, what is the gene responsible for cataract formation and it's mode of inheritance?
In the Boston terrier, what is the gene responsible for cataract formation and it's mode of inheritance?
- HSF4-1 : autosomal recessive (correct)
- HSF4-2: - autosomal recessive
- HSF4-1 : autosomal dominant - complete
- HSF4 -1 - X linked
The HSF 4-1 gene mutation results in a deletion of 1 bp resulting in truncated and abnormal crystalline proteins
The HSF 4-1 gene mutation results in a deletion of 1 bp resulting in truncated and abnormal crystalline proteins
The HSF4-2 gene results in cataract formations in the Australian shepherd.
The HSF4-2 gene results in cataract formations in the Australian shepherd.
Concerning the Australian shepherd, the SCFD2 gene is associated with posterior polar cataracts.
Concerning the Australian shepherd, the SCFD2 gene is associated with posterior polar cataracts.
What are the three pathological causes for cataracts?
What are the three pathological causes for cataracts?
Which of the following drugs have been associated with development of cataracts ?
Which of the following drugs have been associated with development of cataracts ?
What is the proposed inheritance of congenital cataracts in Miniature Schnauzers and West Highland White Terriers?
What is the proposed inheritance of congenital cataracts in Miniature Schnauzers and West Highland White Terriers?
Describe the types of PHPV/PHTVL
Describe the types of PHPV/PHTVL
Regarding congenital cataracts in German Shepherds, which of the following statements is false?
Regarding congenital cataracts in German Shepherds, which of the following statements is false?
In what location are the congenital cataracts noted in both Labrador Retrievers with appendicular skeletal growth retardation, persistent hyaloid remnants, and rhegmatogenous retinal detachment and in short-limbed dwarfed Samoyeds with vitreal liquefaction, hyaloid remnants, and retinal detachment?
In what location are the congenital cataracts noted in both Labrador Retrievers with appendicular skeletal growth retardation, persistent hyaloid remnants, and rhegmatogenous retinal detachment and in short-limbed dwarfed Samoyeds with vitreal liquefaction, hyaloid remnants, and retinal detachment?
Congenital cataracts have been associated with retinal dysplasia in the Bedlington Terrier, Sealyham Terrier, Akita Inu, Beagle, Bloodhound, Samoyed, Old English Sheepdog and Labrador Retriever
Congenital cataracts have been associated with retinal dysplasia in the Bedlington Terrier, Sealyham Terrier, Akita Inu, Beagle, Bloodhound, Samoyed, Old English Sheepdog and Labrador Retriever
Oral ketoconazole can induce cataracts in dogs
Oral ketoconazole can induce cataracts in dogs
Flashcards
Gene Responsible for cataracts in the boston Terrier
Gene Responsible for cataracts in the boston Terrier
HSF4-1 - causes • 1-bp insertion seen in staffys and Bostons (HSF4-1), (autosomal recessive)
Gene Responsible for cataracts in the Australian Shepherd
Gene Responsible for cataracts in the Australian Shepherd
- HSF4-2 • 1-bp deletion detected in Australian Shepherds (HSF4-2) (autosomal incomplete dominant)
Acquired Secondary Cataracts- -What can cause them ?
Acquired Secondary Cataracts- -What can cause them ?
Medications - acetone, dinitrophenol, Toxin -xylitol External agents -radiation, electricity Other ocular disease - PRA, Glaucoma, Uveitis, PLL Systemic disease -hypo / Hypercalcaemia, Copper, tyrosinaemia, DM
