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Assessment of Relationship between Nasolacrimal Duct Obstruction and Nasal Obstructive Disease

Introduction: Nasolacrimal duct obstruction (N.L.D.O) is a bothersome and troublesome ocular disorder in ophthalmology. Considering the etiology, researchers have divided the disorder in two types: primary N.L.D.O (PANDO) and secondary N.L.D.O obstruction, the subject that has not been considered significant and noticeable in many studies. Material & Methods: We have selected 50 were patients randomly selected from 6750 patients, referred to Shaheed Mustafa Khomeini Hospital due to these general ophthalmic problems within recent 2-5 years with unilateral or bilateral N.L.D obstruction as a case group. 50 persons without N.L. D obstruction from patientsʹ families were selected based on age sex and residency as a control group. After completion of consent letters, gathering questionnaire forms and ocular and nasal clinical examination we compared the two groups for nasal obstructive disorder such as: septal deviation, trubinate hypertrophy, sinusitis, polyps, tumors, allergic conditions and other deformities. Results: In comparison with control group septal deviation and the side of deviation were the most important factors in N.L.D obstruction (p=0.00), and the second important factor was turbinate hypertrophy (p:=0.01). Chronic sinusitis plays an important role especially in unilateral forms of NL.D obstruction. It is necessary to evaluate other etiological factors in a larger sample to confirm their effects. Finally, 84 percent of the cases had at least