Loiasis, a Subconjunctival Manifestation

Subconjunctival Loiasis

A 23-year-old man presented to La Paz Hospital complaining of a “worm moving in his eye.” He was otherwise healthy. On examination under natural light a mobile worm was seen in the superior subconjunctival space. When exposed to the bright light/heat of the slit lamp it migrated to the fornix; moments later the worm was visible again and every time it was exposed to the light it would disappear...

Administering a subconjunctival injection

• Position the patient lying comfortably with his/her head supported on a pillow. • Reassure the patient that adequate anaesthetic drops will be instilled before the injection is given. • Instill anaesthetic drops at five-minute intervals over half an hour – a minimum of six drops. • Away from the patient’s view, draw up the prescribed medication using the 21G needle (Figure 1). • Change to the...

Ivermectin treatment of loiasis.

Traveller's loiasis in Zimbabwe: a case report.

A case of loiasis diagnosed at Wankie Colliery Hospital is presented. The disease was suspected by the history of the patient and the presenting clinical signs, and it was confirmed by identification of Microfilariae loa loa in peripheral blood. The patient was successfully treated with a course of diethylcarbamazine. The paper gives a brief account of the clinical aspects of loiasis and emphas...

Subconjunctival emphysema.

Subconjunctival emphysema is a condition that must theoretically exist in severe subcutaneous emphysema due to the laxity of the conjunctival tissues. However, this is generally obscured by associated periorbital emphysema and is hidden from view. We present documented evidence of subconjunctival emphysema in the absence of periorbital emphysema. A 53 year old man was admitted with a large righ...