The posttraumatic ocular hypotony (3% after ocular contusion, 50-74% after open globe injury) can lead to severe secondary damage of the eyeball. In addition to corneal folds, ciliary body and choroidal detachment, papilledema e vacuo and macular folds, the shrinking of the eye can lead to substantial visual impairment. Subsequently, the contralateral eye may react with ocular hypertension. The cause of the hypotony must be identified and causally treated. A preservation of the globe is possible if more than 210 ° of the ciliary body are intact. One of the major causes of posttraumatic hypotony is cyclodialysis. Smaller cyclodialysis clefts respond to a cycloplegic treatment, larger clefts require a surgical approach. The direct cyclopexy can be combined with primary wound repair or pole to pole surgery. An alternative consists of silicone oil endotamponade or occlusion of Schlemm's canal. The posttraumatic ocular hypotony is complex and requires exact diagnostics to be able to differentially and specifically treat the causes of hypotony.
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| http://dx.doi.org/10.1007/s00347-020-01290-4 | DOI Listing |
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