Pediculosis pubis: presentation to ophthalmologist as pthriasis palpebrarum associated with corneal epithelial keratitis

Abstract

Pthiriasis palpebrarum caused by infestation with Pthirus pubis (crab louse) draws attention to pediculosis in the pubic and inguinal region. As pthiriasis is usually transmitted by sexual contact, many cases are likely to have other sexually transmitted diseases. A multidisciplinary approach is essential in the management of these cases. In this case report, we highlight the above and report for the first time associated keratitis.

Phthiriasis palpebrarum: A case of eyelash infestation with Pthirus pubis

“…It is easily overlooked as the symptoms are similar to those of blepharoconjunctivitis and Pthirus pubis is primarily adapted to living in pubic hair (12). In heavy infestations, lice are found in the hair of the axilla, chest, eyebrows and eyelashes (13)(14)(15). Phthiriasis palpebrarum is also occasionally misdiagnosed as common blepharitis (16).…”

A Cystic-like Lesion on an Eyelash: A Quiz

“…A common complication is blepharoconjunctivitis (6). Some cases of keratitis have also been reported (7). Bacterial superinfections, with preauricular lymphadenopathy, are very rare.…”

Common Ocular Manifestations of Sexually Transmitted Diseases

“…It affects about 2% of the population worldwide. This species may also live on other types of hair, such as the eyelashes and eyebrows, causing phthiriasis palpebrarum or pediculosis ciliarum [37]. Pubic lice are usually acquired by intimate contact between individuals including sexual transmission, shared towels, clothing, beds or closets.…”