cataracts Flashcards
1
Q
what
A
opacification of lens
2
Q
causes
A
ageing smoking alcohol diabetes steroids hypocalcaemia myotonic dystrophy
3
Q
features
A
reduced vision faded colour vision glare starbusts around lights loss of red reflex
4
Q
classification - nuclear
A
change lens refractive index
common in old age
5
Q
classification - polar
A
localised
commonly inherited
lie in visual axis
6
Q
classification - subscapular
A
due to steroid use
just deep to lens capsule, in visual axis
7
Q
classification - dot opacities
A
common in normal lenses
also seen in diabetics, myotonic dystrophy
8
Q
referral for surgery
A
dependent on if
- visual impairment is present
- impact on QoL
- patient choice
9
Q
complications following surgery
A
posterior capsule opacification
retinal detachment
posterior capsule r rupture
endophthalmitis
