Lens Flashcards
1
Q
Nuclear sclerosis
A
Age related change
Centre of the lens becomes denser with age appear blueish
Visual impairment not generally noted
2
Q
Cataracts
A
Opacity of the lens
Causes: senile, diabetes, inflamm
3
Q
What percentage of dog with diabetes mellitus will develop cataracts? (EQ)
A
50%
Lens may rupture if swelling is very rapid
4
Q
Anterior luxation? (EQ)
A
Lens falls forward into the anterior chamber
Can predispose to glaucoma
5
Q
Posterior luxation
A
Lens falls backwards into vitreous chamber
6
Q
What is the different between primary and secondary luxation?
A
P - Inherited predisposition e.g young terrier dogs
S - trauma, glaucoma, uveitis
