Direct, indirect, or diffuse forces may injure canaliculi but direct penetrating injuries were more common than avulsive injuries. More serious injuries (orbital fractures, globe rupture, other body injuries, and head trauma) were more commonly seen when diffuse trauma was involved.
Although oral antibiotics are used commonly in the management of OSD, there is no level I evidence to support their use. There are only a few studies that have assessed the efficacy of oral antibiotics in clinically meaningful ways in the management of OSD that arises from disorders of the meibomian glands. The current level of evidence is insufficient to conclude that antibiotics are useful in managing OSD arising from disorders of the meibomian glands. The few existing studies on the topic indicate that oral antibiotics may be an effective treatment for OSD that results from meibomian gland disease.
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