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J Clin Diagn Res. 2017 Mar;11(3):ZD24-ZD25. doi: 10.7860/JCDR/2017/24184.9601. Epub 2017 Mar 1.

Temporary Blindness after Inferior Alveolar Nerve Block.

Author information

1
Senior Resident, Department of Dentistry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India.
2
Professor, Department of Oral and Maxillofacial Surgery, Modern Dental College and Research Institute, Indore, Madhya Pradesh, India.
3
Assistant Professor, Department of Dentistry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India.
4
Senior Lecturer, Department of Oral and Maxillofacial Surgery, Hitkarini Dental College, Jabalpur, Madhya Pradesh, India.

Abstract

Inferior Alveolar Nerve Block (IANB) anaesthesia is one of the common procedures in dental clinic. This procedure is safe, but complications may still occur. Ocular complications such as diplopia, loss of vision, or ophthalmoplegia are extremely rare. This case report explains an event where due to individual anatomic variation of the sympathetic vasoconstrictor nerve and maxillary and middle meningeal arteries, intravascular administration of anaesthetic agent caused unusual ocular signs and symptoms such as temporary blindness.

KEYWORDS:

Anaesthetics; Anatomic variation; Ocular complications

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