[Not Available].

Chemical burns of the ocular surface (CBOS) are emergencies of highest urgency. Therefore, an adequate emergency care is mandatory. Following a precise analysis of the initial damage, a staged therapeutic approach is used to prevent persistent impairment of the ocular surface.

[Concrements of the lacrimal apparatus].

Concrements of the lacrimal apparatus, known as dacryoliths, can occur at different localizations and can cause a variety of symptoms. A common clinical sign is chronic inflammation, possibly exhibiting acute exacerbation. Based on a literature review and descriptive clinical cases with histopathological correlations, this contribution summarises the most important information concerning epidemiology, aetiopathogenesis, composition, histology, and therapy of lacrimal concrements.

Transcutaneous (External) Dacryocystorhinostomy with Reconstruction of the Ductus nasolacrimalis.

Background: Dacryocystorhinostomy (DCR) is regarded as the gold standard for the treatment of chronic dacryocystitis (CDC). Different modifications of the surgical procedure have been developed over the years.

Methods: Patients with CDC due to postsaccal lacrimal stenosis and under treatment with DCR have been included in this retrospective study.