Virus aetiology of certain cases of lacrimal obstruction.

Abstract

The aetiology of most cases of lacrimation due to stenosis or obstruction of the upper lacrimal drainage system is not yet known, but in some cases it is due to infection of the

Acquired Nasolacrimal Duct Obstruction in Children

“…25 Another possible mechanism is that an infl ammatory membrane caused by an adenovirus may produce adhesions between opposing raw surfaces of the lacrimal outlet system. 15,17,24 In particular, in infections with type 8 adenovirus, which is the major etiologic agent of EKC in East Asia, membrane formation has been well documented. 26,27 Histopathologic studies of membranes in EKC have revealed many polymorphonuclear leukocytes and some mononuclear infl ammatory cells entrapped in coagulated exudates.…”

“…In infectious viral cases, the infl ammation extends beyond the mucosal epithelium into the deeper elastic layer, whereas in cases caused by microbes, it never extends into the elastic layer, and no stenosis of the lacrimal apparatus is observed. 15,17,24 In addition, narrow drainage structures such as the canaliculi are vulnerable to obstruction because of their mucosal wall proximity if they become infl amed. 25 Another possible mechanism is that an infl ammatory membrane caused by an adenovirus may produce adhesions between opposing raw surfaces of the lacrimal outlet system.…”

Long term effect of repeated hyperbaric oxygen therapy on visual acuity in inflammatory cystoid macular oedema

“…2 Eyelid nodules are present in 3% of the patients with chronic sarcoid. 3 The most common manifestations are small papules, 1 though papular eruptions, larger nodules, lupus pernio, ulcerated nodules, and plaques and swollen eyelids have been reported. 2 The ocular and adnexal involvement is more easily recognised in a patient with known sarcoidosis.…”

“…Metastatic breast, lung, and prostate carcinoma account for most of the orbital metastases. [1][2][3][4][5][6][7] To our knowledge, orbital metastasis from carcinoma of the cervix has not been described before. We report a 46-year-old Chinese woman in whom orbital metastasis developed 4 months after she was diagnosed to have squamous carcinoma of the cervix.…”

Proximal Lacrimal Obstruction – A Review

“…9 Herpes zoster is also associated with canalicular obstruction, as is the vaccination for chicken pox. 10 Chlamydial infections have also been associated with canalicular obstruction in endemic areas. Lacrimal Obstruction…”