Local Anesthesia

Ocular Complications
Dental anaesthesia can present with many complications such as occlusal complications. There are many forms of dental anaesthesia that can cause these issues for example an Inferior Dental Block (IDB). Most commonly ocular complications will present on the same side of the face where the injection was given. Symptoms include double vision followed by partial or full weakness in the eye muscle. Many pathophysiological processes have been discussed as a cause of these complications, including intra-arterial injection and autonomic dysregulation. Furthermore, following an incident, the patient should be reassured, and the eye should be covered with gauze to protect the eye until the coronal (blinking) reflex has returned. These symptoms usually resolve on their own but in the occurrence of persistence or deterioration, appropriate referral to an ophthalmologist should be made.

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