نتایج جستجو برای: lacrimal drainage
تعداد نتایج: 44608 فیلتر نتایج به سال:
The eye is a complex and highly developed organ which collects light from the surrounding environment, regulates its intensity through a diaphragm, focuses it through an adjustable lens to form an image on retina where this image is converted into a set of electrical signals transmitted to the brain. The eyes are protected in the skull by a bony box called the eye socket (orbit). The wall of th...
purpose: to report a case of free floating pyogenic granuloma within the lacrimal sac. case report: a 13 month old infant with unresolving dacryocystitis and history of two times failed probing and once failed turbinate fracture was scheduled for dacryocystorhinostomy (dcr). a free floating red mass was removed from the sac. histopathologic examination confirmed a diagnosis of pyogenic granulom...
BACKGROUND Decreased lacrimal gland output may cause dry eye syndrome. Using a rat model, we examined the feasibility of transplanting lacrimal gland cells from newborns. OBJECTIVES To restore lacrimal gland function in eyes with compromised tear production. METHODS A model of dry eye in adult rats was developed by unilateral surgical removal of the main lacrimal gland. Tear secretion in bo...
The lacrimal gland has a multifaceted role in maintaining a homeostatic microenvironment for a healthy ocular surface via tear secretion. Dry-eye disease, which is caused by lacrimal gland dysfunction, is one of the most prevalent eye diseases that cause corneal epithelial damage and results in significant loss of vision and a reduction in the quality of life. Here we demonstrate orthotopic tra...
The polymerase chain reaction (PCR) was used to show that basic fibroblast growth factor (FGFb) and epidermal growth factor (EGF) receptor messenger ribonucleic acids (RNA) are produced in human lacrimal tissue. Transforming growth factor beta-1 (TGF beta-1) messenger RNA was not detected. These results and the previous identification of EGF in the lacrimal gland suggest that EGF could have aut...
PURPOSE The current investigators have shown that androgen treatment suppresses inflammation and stimulates the function of lacrimal glands in mouse models of Sjögren's syndrome. Recently, others have hypothesized that androgen insufficiency induces an autoimmune process in lacrimal tissue, leading to inflammation, a Sjögren's syndrome-like pathology, and aqueous tear deficiency. The purpose of...
In AIDS the onset of the ocular dry syndrome, characterized by lacrimal hyposecretion and deterioration of the corneal and conjunctival epithelium, generally accompanies the clinical aggravation of immunodepression. The study of serum and lacrimal proteins contributes to our knowledge of the pathophysiology of this syndrome. The lacrimal clearance of albumin indicates changes in the permeabilit...
The lacrimal gland plays an important role in maintaining a homeostatic environment for healthy ocular surfaces via tear secretion. Dry eye disease, which is caused by lacrimal gland dysfunction, is one of the most prevalent eye disorders and causes ocular discomfort, significant visual disturbances, and a reduced quality of life. Current therapies for dry eye disease, including artificial tear...
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