38. Cataract – significance, clinical presentation and treatment.

Question 1

what is cataract ?

Answer 1

clouding of the lens

Question 2

what is the classification of cataracts ?

Answer 2

congenital cataracts less than 1 percent
inherited
congenital infection - rubella

acquired cataracts more than 99 percent 
- senile !! - with age the lens become more opaque 
- diabetes mellits 
- renal insufficiency - dialysis 
- galactosemia 
- chronic uveitis 
viterctomy 
- medically inducing glucocorticoids 
trauma 
radiation

Question 3

classification of senile cataracts according to morphology ?

Answer 3

front/ rear back cataract

core cataract

rear cup clouding

mature cataract

hypermature cataract

Question 4

what are the symptoms of cataracts ?

Answer 4

worsening of vision

grey in grey vision

change in colour visit

myopia

hyperopia in cortex cataract

Question 5

diagnosis of cataracts ?

Answer 5

slit lamp - grey , yellow , brow turbidity in lens

front rosette opacity in lens - contusion cataract

posterioir rosette opacitification - perforation cataracts

Question 6

for cataracts what is the treatment ?

Answer 6

except for galactosemia
surgey is needed - congenital cataracts operated as early as possible to prevent loss of vision

extracapsular cataract extraction