What is the primary purpose of DCR?

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Prepare for the Certified Paraoptometric Assistant (CPOA) Exam. Study with extensive flashcards and multiple choice questions with explanations. Enhance your skills and knowledge to succeed.

Multiple Choice

What is the primary purpose of DCR?

Explanation:
Dacryocystorhinostomy is done to restore tear drainage by bypassing a blocked nasolacrimal duct. It creates a direct opening between the lacrimal sac and the nasal cavity, so tears can drain into the nose again. The lacrimal sac is preserved and remains part of the drainage system; the goal isn’t to remove it. This procedure doesn’t enlarge the lacrimal gland or close the tear duct, and it isn’t about removing the lacrimal sac. By establishing this new route, the blockage is bypassed and drainage is reestablished.

Dacryocystorhinostomy is done to restore tear drainage by bypassing a blocked nasolacrimal duct. It creates a direct opening between the lacrimal sac and the nasal cavity, so tears can drain into the nose again. The lacrimal sac is preserved and remains part of the drainage system; the goal isn’t to remove it. This procedure doesn’t enlarge the lacrimal gland or close the tear duct, and it isn’t about removing the lacrimal sac. By establishing this new route, the blockage is bypassed and drainage is reestablished.

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