-
lens vacuole
- superfical lens cortex
- spherical cysts
- age
-
water cleft
- radial wedge clft in cortex
- faint white // lines
-
epicapsular stars
- congenital opacities
- remnats of pupillary membrane
-
mittendorf dot
- congential
- remnant of hyaloid artery
- nasal
-
ectopia lentis
- lens displacement
- marfans stretched zonules
- weill marchesani
-
Anterior polar capsular cataract
- assoc persistent pupillary membrane
- opaque cortical plaque projects fwd
-
posterior polar capsular cataract
- assoc persistent hyaloid, post lenticonus
- stays in centre
- progressive
-
coronary supranuclear cataract
- sporadic
- round opacities may be hidden by iris, surrounds nucleus like a crown
- non progressive
-
cortical cataract
- changes to peripheral regions of lens due to protein aggregation and increase in water content
- spoke like opacities
- assoc: vacuoles and water clefts
- age uv RF
-
zonular lamellar cataract
- affects lamellar ant and post
- round shell like opacity surround nucleus
- riders-radial opacities
-
central pulverulent cataract
- spheroidal biconvext opacity fetal nucleaus
- non prog
-
true capsular exfoliation
- exposure to heat and radiation
- ant lamellae peels fwd onto pupil
-
pseudoexfoliation
grey flakey materio on ant lens
-
pigment dispersion syndrome
- males, white 20-40
- close rubbing of iris and zonules
- pigment trabecular meshwork, iris surface changes
-
concussional cataract?
blunt non penetrating trauma-> anterior subcapsular opacity
-
vossius ring?
trauma induced imprinting of iris pignment onto iris
-
Diabetic cataract?
- juvenile- snowstorm
- adult: cortical subcaps
-
atopic cataract?
- shield cataract
- wrinkles in ant capsule
-
sunflower cataract
copper deposition in the lens
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