Endonasal versus external dacryocystorhinostomy for nasolacrimal duct obstruction

The obstruction of the nasolacrimal passage which causes watering is a common problem and results in significant distress for the patient. The condition can be relieved by undergoing an operation known as a dacryocystorhinostomy (DCR) which connects the tear sac and nose. This can be achieved either through an incision on the side of the nose (external DCR) or by operating inside the nose (endonasal DCR). The success of these approaches has been reported in medical literature. This review compares the ability of the two operations to relieve symptoms or (Read more...)

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