Please enable JavaScript.
Coggle requires JavaScript to display documents.
Traumatic Cataract (Concussion Cataract) (Shapes (Discrete subepihthelial…
Traumatic Cataract (Concussion Cataract)
Vossious Ring :red_flag:
Circular Brown Pigmentary ring
< pupillary size
Due to striking of contracted pupillary margin against Crystalline lens
Shapes
Discrete subepihthelial opacities
-
Most Common
Early Rosette Cataract
(Typical form )
- Star shaped Feathery lines
Late rosette in posterior cortex - after 1 to 2 years
Zonular
Diffuse(Total) (Frequently)
Traumatic Absorption of Lens in Children - Aphakia
Subluxation of lens
Phacodonesis(Trembling of Lens )
Iridodonesis(Trembling Of Iris )
Due to Zonular Tear
Intraocular Dislocation
Extraocular Dislocation into Subconjunctival space (
Phacocele
)
Causes
Penetrating,Blunt Tauma (Flower Shaped)
Electrical Shock
Infrared Radiation (GlassBlower's Cataract)
Ionizing Radiation
Imbibition of Aqueous Humor , Direct Mechanical injury to lens Fibres
Early maturation of Senile Cataract following Blunt trauma