<prompt> True regarding exfoliation of lens occurs in:Glass furnace workersGlass blowersInfrared exposuresAll of the above  <response>: AH of the above 254-Parson 20th 167-Kanski 5thInfra red radiation Traumatic cataract - If intense as in glass blowers. May rarely cause true exfoliation or lamellar delamination of the anterior lens capsule in which the superficial portion of a thickened capsule splits from the deeper layer and extends into anterior chamber. 