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	Blocked Tear Ducts-Topic Overview
		A blocked tear duct occurs when the opening of the duct that normally allows tears to drain from the eyes is obstructed or fails to open properly.
		In babies, the most common cause of a blocked tear duct is the failure of the thin tissue at the end of the tear duct to open normally at or near birth.
		In adults, tear ducts may become blocked as a result of a thickening of the tear duct lining, nasal or sinus problems, injuries to the bone and tissues around the eyes (such as the cheekbones), infections, or abnormal growths such as tumors.
	www.webmd.com /eye-health/tc/Blocked-Tear-Ducts-Topic-Overview (807 words)

	Tear-Duct Obstruction and Surgery
		Blocked tear ducts are a fairly common problem in infants; as many as one third may be born with this condition.
		Children with blocked tear ducts usually develop symptoms of the condition between birth and 12 weeks of age, although you may not realize your child has this problem until his or her eyes become infected.
		When a child is referred for a blocked tear duct because of an infection or excessive tearing, a pediatric ophthalmologist will do a complete eye exam to rule out any other eye problems or types of inflammation that might be causing similar symptoms.
	www.kidshealth.org /parent/system/surgical/tear_duct_obstruct_surgery.html (0 words)

	Blocked Tear Ducts
		Tears are a clear fluid that is continuously made by the tear glands to keep the surface of the eye moist and to clean the eyes.
		A blocked tear duct means something is stopping the flow of tears away from the eye down the tear duct into the nose.
		This mucus is not pus (a yellowish or greenish discharge) caused by infection.
	www.heatoneye.com /edu_ped_blocked.html (510 words)

	Blocked Tear Ducts
		Tears are made by the lacrimal glands, which are located under the outside part of the upper eyelid and along the inner surfaces of the upper and lower lids.
		Then the excess tears are funneled along the lower edge of the eyelid into small canals that lead to a series of ducts that drain the tears away from the eyes to the nose.
		Treatment for blocked tear ducts depends on the age of the infant and the severity of the blockage.
	www.regionaleye.com /basic_services/blocked_tear_ducts.html (594 words)

	CIGNA - Blocked Tear Ducts (Site not responding. Last check: )
		The most common cause of a blocked tear duct is the failure of the thin tissue, or membrane, that covers the tear duct (lacrimal duct) to open normally into the nasal passage shortly after birth.
		The cause of blocked tear ducts in adults is usually related to another disorder or an injury.
		For example, a blocked tear duct may result from a thickening of the tear duct lining, abnormal tissue or structures in the nose, or complications of surgery on or around the nose.
	www.cigna.com /healthinfo/hw3084.html (3110 words)

	Blocked Tear Ducts - Topic Overview - MSN Health & Fitness - Eye Care (Site not responding. Last check: )
		Tears normally drain from the eye through small tubes called tear ducts that stretch from the eye into the nose.
		A blocked tear duct occurs when the opening of the duct that normally allows tears to drain from the eyes is obstructed or fails to open properly.
		In adults, tear ducts may become blocked as a result of a thickening of the tear duct lining, nasal or sinus problems, injuries to the bone and tissues around the eyes (such as the cheekbones), infections, or abnormal growths such as tumors.
	health.msn.com /centers/eyecare/articlepage.aspx?cp-documentid=100069407 (739 words)

	Eyelids and tear channels
		Tear gland is in the upper outer corner near the eye.
		Tear ducts and tear sac are in the inner corner of the eye.
		Tears are sucked into the tear ducts because of the low pressure in the tear sac during movements of the eyelids.
	www.lea-test.fi /en/eyes/lidsncha.html (0 words)

	Tear-Duct Obstruction and Surgery
		Blocked tear ducts are a fairly common problem in infants; as many as one third may be born with this condition.
		Children with blocked tear ducts usually develop symptoms of the condition between birth and 12 weeks of age, although you may not realize your child has this problem until his or her eyes become infected.
		When a child is referred for a blocked tear duct because of an infection or excessive tearing, a pediatric ophthalmologist will do a complete eye exam to rule out any other eye problems or types of inflammation that might be causing similar symptoms.
	kidshealth.org /parent/system/surgical/tear_duct_obstruct_surgery.html (1647 words)

	Roswell Pediatrics - Illnesses - Blocked Tear Duct
		Tear ducts normally carry tears form the eye to the nose.
		The tears evaporate on the margin of the eye resulting in yellow crust formation around the eye especially during sleep and naps.
		Most blocked tear ducts are not detected until newborns begin noticeable tear production between 2 and 4 weeks of age.
	www.roswellpediatrics.com /btd.htm (280 words)

	Blocked Tear Ducts
		Tear ducts can be fully or partially blocked.
		Most blocked tear ducts are present at birth (congenital) and resolve on their own or open with simple treatment (probing) during the first year of life.
		In adults, most blocked tear ducts are caused by infection, structural problems related to injury or surgery, or abnormal growths within the drainage system.
	www.peacehealth.org /kbase/topic/major/hw3084/course.htm (0 words)

	Blocked Tear Duct, Tear Duct Obstruction - visionchannel
		Tears from the surface of the eye normally drain into the nose through a tube called the nasolacrimal duct.
		Tears are essential to eye health and function; when disruption in their production or drainage is caused by a blockage, treatment is needed to open the obstruction.
		The primary symptom of a blocked tear duct is excessive tearing.
	www.visionchannel.net /tearduct (0 words)

	InteliHealth:
		Dacryocystitis is an infection in the tear ducts of the eye or in the tear sac, also called the lacrimal sac.
		Tears spill out of the eyes and into the back of your nose when you cry, although the tears entering the nose are not visible.
		Tear ducts also can become blocked after trauma to the nose or eyes, such as a broken nose, or by nasal polyps.
	www.intelihealth.com /IH/ihtIH/WSIHW000/9339/9784.html (1114 words)

	Carilion - Blocked Tear Ducts
		Tear ducts can be fully or partially blocked.
		The blockage causes tears to back up within the tear duct system and may cause them to overflow onto the face (epiphora).
		A blocked tear duct by itself does not usually permanently affect a baby's vision or increase the likelihood of having additional eye problems.
	www.carilion.com /kbase/htm/hw30/84/hw3148.htm (322 words)

	DJO \| Digital Journal of Ophthalmology
		Acute tear sac or tear duct infection can be extremely painful, red, and swollen with formation of an abscess between the eye and nose.
		Tears are created by the lacrimal gland, located beneath the outer portion of the eyebrow.
		The tears wash across the surface of the eye and run INTO the tear duct openings in the upper and lower eyelids very close to the inner corner of the eye.
	www.djo.harvard.edu /site.php?url=/patients/pi/437 (843 words)

	Blocked Tear Ducts
		Robert Needlman, M.D., F.A.A.P. Normally, tears are cleared from the eye through small tubes known as tear ducts that extend from the eye into the nose.
		When these ducts are blocked, a baby's tears flow down her cheek or build up and dry out, leaving clumps of yellowish discharge or matter in the eye.
		Blocked tear ducts are very common in newborns and young babies.
	www.drspock.com /article/0,1510,13544,00.html (326 words)

	Blockage of the Tear Ducts -- eCureMe.com
		, or stenosis of the tear duct, is a congenital blockage of the tear duct, occurring in approximately 5% of babies.
		In these infants, the opening of the tear duct, a passage that drains tears from the eyes into the nose, fails to open before birth.
		Because tears cannot escape, they flow back into the eye, where they collect, along with dead cells from the skin of the eyelids, and dirt and dust from the environment.
	www.ecureme.com /emyhealth/Pediatrics/Blockage_of_the_Tear_Ducts.asp (0 words)

	The Female Body: An Owners Manual Tear Ducts (Site not responding. Last check: )
		Tears are salty, watery secretions that keep two parts of the eye constantly moist.
		The tears that constantly keep your eyes moist, called the basic tear secretions, are produced on the conjunctiva and also in the eyelids.
		The tears that you cry over spilled milk, lost loves and squandered savings are reflex tears, generated from what''''s called a lacrimal gland in the upper, outer corner of your upper eyelid.
	www.mothernature.com /Library/Bookshelf/Books/32/89.cfm (985 words)

	Tear ducts of wine (Site not responding. Last check: )
		The tears of wine are evident in Figure 1, a plan view of a wine glass.
		Vortices associated with small-scale convective motions are aligned in the streamwise direction by the surface tension gradient responsible for the sustenance of the tears.
		The convective motions are revealed by adding Kalliroscope to the fluid, and are evident in Figure 3, a plan view of a wine glass in which the reservoir is at the bottom, the thin film in the middle and the incipient tear line at the top.
	www-math.mit.edu /~bush/tears.html (258 words)

	Blocked tear ducts in infants
		A blocked tear duct is a fairly common and usually temporary problem that occurs in infants when the nasolacrimal duct—the passage that lets tears drain from the eye into the nasal cavity—becomes obstructed or is closed off.
		When an infant has a blocked tear duct, the eye looks wet or tears may spill over onto the cheek, even when he or she is not crying.
		Normally, tears are produced by the lacrimal gland and then move across the eyes with the help of the eyelids, to keep eyes lubricated and clean.
	www.childrenshospital.org /views/june06/blocked_tear_ducts.html (0 words)

	Should my baby have a probing procedure to open a blocked tear duct?
		Most blocked tear ducts open on their own by the time a baby is 1 year old.
		The probing procedure for blocked tear ducts is usually done by the time a child is 12 to 13 months old if his or her tear duct has not opened.
		A child's vision is not impaired by a blocked tear duct; therefore, delaying or not having the procedure to open a blocked tear duct will not damage your child's ability to see.
	www.everettclinic.com /kbase/dp/topic/aa170043/dp.htm (1554 words)

	Dry eye syndrome
		Excess tears flow into two tiny drainage ducts in the corner of the eye by the nose.
		The connection between the tear ducts and the nasal passage is the reason that crying causes a runny nose.
		In addition to lubricating the eye, tears are also produced as a reflex response to outside stimulus such as an injury or emotion.
	www.stlukeseye.com /Conditions/DryEyeSyndrome.asp (0 words)

	Should my baby have a probing procedure to open a blocked tear duct?
		If a child's tear duct has not opened by the time he or she is 12 to 13 months old, the probing procedure for blocked tear ducts is usually done.
		Therefore, the decision about whether to have a probing procedure for blocked tear ducts in babies younger than 1 year of age is more a matter of personal choice.
		The risks of delaying or not having a probing procedure to open a blocked tear duct are minimal in babies ages 12 months and younger.
	www.kaiserpermanente.org /kpweb/healthency.do?hwid=aa170043§ionId=aa170043&contextId=hw3084 (1615 words)

	.:PurePaws.net -- Winners (Site not responding. Last check: )
		Excessive tearing can be caused by blockage in the tear ducts.
		When the tears produced are not able to drain properly this causes the tears to overflow onto the muzzle.
		This inflammation sometimes puts pressure on the sinus cavity causing the tear ducts to be agitated.
	purepaws.net /features_grooming_01_tear_staining.asp (866 words)

	Blocked Tear Ducts of Babies: Patient guide
		This duct is the tiny tube that leads from the inner corner of the eye to inside the nose.
		Tear production in new-born babies may take a week to start, so you may not notice watery eyes at first.
		With a blocked tear duct, the eyeball is usually white and the baby is well and not bothered by the watering eye.
	www.privatehealth.co.uk /diseases/eyes/blocked-tear-ducts-of-babies (783 words)

	Eyes - blocked tear duct - Better Health Channel.
		From there, tears pass into the nasolacrimal sac, then into the nasolacrimal duct to the nose and, ultimately, to the throat for swallowing.
		A diagnosis of blocked tear duct is made if the patient can’t taste the fluid in their throat.
		If the baby’s tear duct doesn’t unblock by itself, it may be necessary to professionally ‘pop’ the membrane.
	www.betterhealth.vic.gov.au /bhcv2/bhcarticles.nsf/pages/Eyes_blocked_tear_duct?OpenDocument (701 words)

	Blocked Tear Ducts
		Blocked tear ducts are a very common problem for infants.
		When the tube or duct running from the eye to the nose becomes blocked, your baby's tears cannot flow correctly out of the tear duct.
		Another way to distinguish a blocked tear duct is that it typically begins during the first month of life.
	www.justmommies.com /articles/blocked-tear-duct.shtml (498 words)

	Dr. Clarke Cushing
		Normally tears are drained through the tear ducts, which are tube-like structures connecting the eyes to the nasopharynx (the back of the nose and throat).
		Swelling associated with inflammation and infection of the nose and sinuses may obstruct the tear ducts by compression.
		Excessive tearing may also occur when dysfunction or deformity of the eyelids prevents tears from reaching the tear ducts.
	www.lclarkecushingvmd.com /showpracfaq.cfm?FAQID=134&Private=0 (0 words)

	Dry Eyes: How to Relieve Dry Eye Syndrome - AllAboutVision.com
		It occurs as a part of the natural aging process, especially during menopause; as a side effect of many medications, such as antihistamines, antidepressants, certain blood pressure medicines, Parkinson's medications, and birth control pills; or because you live in a dry, dusty or windy climate.
		Tears are composed of three layers: the outer, oily, lipid layer; the middle, watery, lacrimal layer; and the inner, mucous or mucin layer.
		Temporary or permanent silicone plugs in the lacrimal (tear) ducts keep tears in your eye from draining away as quickly.
	www.allaboutvision.com /conditions/dryeye.htm (0 words)

	Clogged Tear Ducts \| Ffara.org
		Checked at least twice a year by your veterinarian for ear infections and ear mites, gum infections, common yeast or bacterial infections of the eye(especially Red Yeast) and for clogged tear ducts.
		Eyebright Eyewash #1 in a boric acid solution is a refreshing astringent that cleans away ugly brown discharge and opens up the clogged tear ducts.
		"Veterinarian for ear infections and ear mites, gum infections, common yeast or bacterial infections of the eye(especially Red Yeast) and for clogged tear ducts clogged tear ducts.
	hvac.ffara.org /clogged-tear-ducts.html (0 words)

	TFF Peptides in the Human Efferent Tear Ducts -- Paulsen et al. 43 (11): 3359 -- Investigative Ophthalmology & Visual ...
		of the lacrimal sac and the nasolacrimal duct.
		TFF peptides at the mucosal surface of the efferent tear duct
		to the occurrence of dacryoliths in the efferent tear duct passage.
	www.iovs.org /cgi/content/full/43/11/3359 (4360 words)

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