cataracts Flashcards

1
Q

what

A

opacification of lens

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2
Q

causes

A
ageing 
smoking 
alcohol 
diabetes
steroids
hypocalcaemia 
myotonic dystrophy
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3
Q

features

A
reduced vision 
faded colour vision 
glare
starbusts around lights
loss of red reflex
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4
Q

classification - nuclear

A

change lens refractive index

common in old age

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5
Q

classification - polar

A

localised
commonly inherited
lie in visual axis

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6
Q

classification - subscapular

A

due to steroid use

just deep to lens capsule, in visual axis

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7
Q

classification - dot opacities

A

common in normal lenses

also seen in diabetics, myotonic dystrophy

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8
Q

referral for surgery

A

dependent on if

  • visual impairment is present
  • impact on QoL
  • patient choice
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9
Q

complications following surgery

A

posterior capsule opacification
retinal detachment
posterior capsule r rupture
endophthalmitis

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