The Safety and Efficacy of Lacrimal Silicone Intubation for the Management of Epiphora
Summary
The purpose of study is to investigate the safety and efficacy of lacrimal silicone intubation for the management of epiphora.
Description
Epiphora is an overflow of tears,usually caused by insufficient drainage of the tear film from the eye.The most common cause is a blockage of the lacrimal ducts located next to the nose, but the condition may also result from the excessive production of tears. Epiphora is a symptom rather than a disease and may be caused by a variety of conditions.
30 subjects will be recruited for this study, informed consent will be taken from the willing subjects. Complete ophthalmic evaluation would be performed including visual acuity. Diagnosis would be made on history of epiphora, regurgitation test, lids examination, nasal examination, probing and syringing. Standard procedure of Dacryocystorhinostomy (DCR) would be adopted in all cases with lacrimal intubation.
Syringing will be done on first follow up visit and skin sutures will also be removed. Tightness and mobility of the silicone tube will be checked. The tube is kept in place for 3-6 months according to need and then finally removed. The patency of lacrimal passage will be investigated by irrigation. A successful outcome will be defined as resolution of symptoms like epiphora and discharge and a patent lacrimal system on irrigation.
Study Design
Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Conditions
Epiphora
Intervention
Lacrimal Tube
Location
Aravind Eye Hospital
Madurai
Tamil Nadu
India
625 020
Status
Recruiting
Source
Aurolab
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT01010659
- Information obtained from ClinicalTrials.gov on July 15, 2010
Published on BioPortfolio: 2014-08-27T03:18:04-0400
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PubMed Articles
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Medical and Biotech [MESH] Definitions
Lacrimal Duct Obstruction
Interference with the secretion of tears by the lacrimal glands. Obstruction of the lacrimal sac or nasolacrimal duct causing acute or chronic inflammation of the lacrimal sac (DACRYOCYSTITIS). It is caused also in infants by failure of the nasolacrimal duct to open into the inferior meatus and occurs about the third week of life. In adults occlusion may occur spontaneously or after injury or nasal disease. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p250)
Canaliculitis
Inflammation and infection of the lacrimal canaliculus area in the LACRIMAL APPARATUS.
Neural Tube
A tube of ectodermal tissue in an embryo that will give rise to the CENTRAL NERVOUS SYSTEM, including the SPINAL CORD and the BRAIN. Lumen within the neural tube is called neural canal which gives rise to the central canal of the spinal cord and the ventricles of the brain. For malformation of the neural tube, see NEURAL TUBE DEFECTS.
Lacrimal Apparatus
The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system.
Lacrimal Apparatus Diseases
Diseases of the lacrimal apparatus.
