Blocked tear duct

زائر
Definitin

A bked teat dt desibes a patia mpete bkage in the tea dt system. This dt system aies teas away fm the sfae f the eye, int the nse


Atenative Names

Daystensis; Bked nasaima dt


ases, inidene, and isk fats

Teas fm the sfae f the eye ae nmay dained int the nse by a nvted tbe aed the nasaima dt. If this dt is bked, the teas wi amate and vefw nt the heek, even when a pesn isn't ying

In hiden, the dt may nt be mpetey deveped at bith. This pbem ften disappeas n its wn. In adts, the dt an be damaged by infetin, injy tm


Symptms

The symptm is ineased teaing, whih vefws nt the fae heek


Signs and tests

Standad phthami exam
Intena examinatin f the nse
Fesein eye stain t bseve the dainage f teas
Speia X-ay stdies may be dne t stdy the dt


Teatment

F hiden with inmpete nasaima dt devepment, massaging the aima sa aea sevea times a day, as instted by an phthamgist, may be engh t pen the tea dt. Pesistent ases may eqie pening by a pbing pede. This may asinay eqie anesthesia

Adts eqie teatment f the ase f the bkage. This may e-pen the dt if thee is minima damage. A sgey t enstt the passageway may be needed t e-estabish nma tea dainage, and stp the vefw nt the heek


pgnsis

ngenita pesent at bith tea dt bkage ften eas by itsef by 6 mnths f age. If it des nt ea n its wn, the tme is sti ikey t be gd with teatment

Tea dt bsttin in adts has a vaiabe tme depending n the ase



mpiatins

Tea dt bkage may inease the isk f eye infetins


Peventin

Many ases annt be pevented. Ppe teatment f nasa infetins and njntivitis may ede the isk. Safety meases may ede the isk f tama that an ase bkage