Trauma can precipitate a rise in intraocular pressure in a number of different ways. Sometimes, especially in children, bleeding can occur into the anterior chamber after a contusion injury. This can seriously obstruct the flow of aqueous both through the pupil and into the angle. Such an episode of bleeding can occur on the second or third day after the injury, turning a slight event into a very serious problem. On other occasions, a contusion injury might cause splitting or recession of the angle, which is associated with glaucoma. The iridocyclitis that follows perforating injuries tends to be complicated by glaucoma and the ophthalmologist must be constantly aware of such a complication.
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