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Results for “LACRIMAL APPARATUS”

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PubMed1987

[Surgical treatment of the lacrimal apparatus--technics and results].

After a short review of anatomy the clinical and radiological diagnosis of stenoses of the lacrimal duct system are discussed in detail. Microcatheterdacryocystography and high resolution CT are very important in determining the indications for surgery. Microsurgical endonasal dacryocystorhinostomy is preferred for treatment of postsaccal stenoses. It is also the method of choice for one stage definitive therapy of acute lacrimal sac empyema. Surgical reconstruction in cases of presaccal stenoses is difficult and should be handled individually. For intubation of the canaliculi we have developed a special modified pigtail-hollow-probe (Draf-Haag 1981), which reduces damage to the epithelium. If reconstruction of the natural lacrimal duct system is not possible, a conjunctivorhinostomy by Walter's technique is indicated. The different surgical concepts and results are discussed.

Catheters, Indwelling↗
PubMed2006

Mucins and TFF peptides of the tear film and lacrimal apparatus.

The three-dimensional organization of the tear film, which is produced and drained by the different structures of the ocular adnexa, is essential for maintainance and protection of the ocular surface. This is facilitated by a class of large, highly glycosylated, hydrophilic glycoproteins, the mucins, which are usually expressed in association with a class of peptides having a well-defined, structurally conserved trefoil domain, the mammalian trefoil factor family (TFF) peptides. In this review, the latest information regarding mucin and TFF peptide function and regulation in the human lacrimal system, the tear film and the ocular surface is summarized with regard to mucous epithelia integrity, rheological and antimicrobial properties of the tear film and tear outflow, age-related changes and certain disease states such as dry eye, dacryostenosis and dacryolith formation.

Aging↗