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Nasolacrimal duct obstruction is the obstruction of the nasolacrimal ducts (better known as the tear ducts) and may be either congenital or acquired. Obstruction of the nasolacrimal ducts leads to the excess overflow of tears called epiphora .
The purpose of the nasolacrimal ducts is to drain tears from the eye area of the lacrimal sac and eventually through the nasal cavity. Dacryocystocele is caused by blockage on the nasolacrimal duct, as a result when mucoid fluid collects in the intermediate patent section it forms a cystic structure. The cyst is formed by the eye and nose ...
Tear Duct Surgery: When tear ducts are blocked or damaged, it can cause chronic tearing or infections. Tear duct surgery, such as dacryocystorhinostomy (DCR), aims to create a new drainage pathway for tears to alleviate these issues. Orbital Surgery: Orbital surgery deals with problems within the eye socket, or orbit. This can include the ...
Canaliculodacryocystostomy is a surgical correction for a congenitally blocked tear duct in which the closed segment is excised and the open end is joined to the lacrimal sac. [8] [10] Canaliculotomy involves slitting of the lacrimal punctum and canaliculus for the relief of epiphora [8] A dacryoadenectomy is the surgical removal of a lacrimal ...
Persons with dry eye conditions can be fitted with punctal plugs that seal the ducts to limit the amount of fluid drainage and retain moisture. During an ear infection, excess mucus may drain through the nasolacrimal duct in the opposite way tears drain. [citation needed] In humans, the tear ducts in males tend to be larger than the ones in ...
Canaliculodacryocystostomy is a surgical correction for a congenitally blocked tear duct in which the closed segment is excised and the open end is joined to the lacrimal sac. [33] [36] Canaliculotomy involves slitting of the lacrimal punctum and canaliculus for the relief of epiphora [33] A dacryoadenectomy is the surgical removal of a ...
Blocked tear ducts. Ptosis; Retinopathy of prematurity; Nystagmus; Visual inattention [1] Pediatric cataracts; Pediatric glaucoma; Abnormal vision development; Genetic disorders often cause eye problems for affected children. Since approximately 30% of genetic syndromes affect the eyes, examination by a pediatric ophthalmologist can help with ...
With the advent of nasal endoscopes, endoscopic dacryocystorhinostomy is becoming popular. In this procedure, a nasal endoscope is used to visualise the lacrimal sac through the nasal cavity. The bone covering the lacrimal sac is nibbled out. The medial wall of the sac is incised or excised, facilitating drainage of tears into the nasal cavity.