نتایج جستجو برای: tear resistance

تعداد نتایج: 385752  

Journal: :iranian journal of psychiatry 0
parvin dibajnia shahid beheshti university of medical sciences, faculty of rehabilitation sciences,tehran, iran. mohadeseh mohammadinia maryam moghadasin mohammad aghazade amiri

ocular dryness is a well-recognized adverse side effect of many topical and systemic medications. in psychiatry, patients who have consumed such drugs as lithium carbonate and sodium valproate frequently experience dry eye symptoms. the purpose of this study was to compare tear film stability between patients who use these drugs with those patients who are not on medication.after obtaining info...

Journal: :Investigative ophthalmology & visual science 2010
Ben J Glasgow Oktay K Gasymov Adil R Abduragimov Jamison J Engle Richard C Casey

Purpose. The cornea is protected by apical hydrophilic transmembrane mucins and tears. In pathologic states the mucin barrier is disrupted, creating potential for meibomian lipids to adhere more strongly. Undisplaced lipids create an unwettable surface. The hypothesis that pathologic ocular surfaces alter lipid binding and the ability of tear proteins to remove lipids was tested. Methods. Corne...

Journal: :The British journal of ophthalmology 1977
H J Kersley C Kerr D Pierse

Patients have been very satisfied with these lenses (78% wearing at the end of six months), not the least those with reduced function of the macula. The problems of infection have been discussed, and apart from improvement in lens materials patient selection is of paramount importance. The problem of deposits is presented, but theri elimination will depend on more research into their nature and...

2013
Hiroaki Kijima Hiroshi Minagawa Tatsuru Tomioka Shin Yamada Koji Nozaka Hidetomo Saito Yoichi Shimada

Background: The symptoms of rotator cuff tear vary and may even be absent. Thus, the symptoms cannot be explained solely by the presence of rotator cuff tear, and other factors are thought to be involved. Because the rotator cuff comes in contact with the coracoacromial ligament, the elasticity of the ligament may be a factor of the symptoms. The purpose of this study was to clarify the elastic...

2014
Joanne Hui Min Quah Louis Tong Sylvaine Barbier

PURPOSE The primary healthcare setting is well placed for health screening. Tear fluid composition gives valuable information about the eye and systemic health, and there is now significant interest in the potential application of tears as a tool for health screening; however, the acceptability of tear collection in the primary healthcare setting as compared with other methods of human sample c...

Journal: :American journal of ophthalmology 2014
Francisco Amparo Yiping Jin Pedram Hamrah Debra A Schaumberg Reza Dana

PURPOSE To evaluate the correlation between changes in tear osmolarity, symptoms, and corneal fluorescein staining in patients with dry eye disease (DED). DESIGN Retrospective, clinic-based cohort study. METHODS In this single-institution study, we reviewed the charts of 186 patients with DED from whom we had data on tear osmolarity, symptoms, and corneal fluorescein staining from 2 separat...

2015
Lin Sun Qiang Zhang Heng’an Ge Yeqing Sun Biao Cheng

BACKGROUND Tear conversion followed by repair and trans-tendon techniques have been widely used for partial-thickness rotator cuff tears. Both of them showed favorable results with regard to the management of articular-sided partial-thickness rotator cuff tears (PTRCTs) of more than 50% thickness. However, controversy continues with the best management. This study aims to compare the clinical o...

Journal: :Investigative ophthalmology & visual science 2016
Reiko Arita Naoyuki Morishige Tatsuya Fujii Shima Fukuoka Jae Lim Chung Kyoung Yul Seo Kouzo Itoh

PURPOSE We investigated whether the tear interferometric pattern was able to identify differences in tear film kinetics among clinical subtypes of dry eye. METHODS A total of 138 eyes of 76 subjects (38 men and 38 women; mean age ± SD, 61.6 ± 16.2 years) with or without dry eye who visited Itoh Clinic from May to August 2015 were enrolled in a cross-sectional study. Clinical diagnosis of dry ...

2011
A Chiva

RATIONALE Dry eye is the most prevalent condition seen by the ophthalmologist, in particular in elderly. The identification of new common risk factors (computer use and contact lens wear) extends the disease among the young people. The early diagnosis of dry eye is essential, but difficult, because the biochemical changes in tear film usually occur before any detectable signs. Due its advantage...

Journal: :Archives of ophthalmology 1998
S J Isenberg L Apt J McCarty L L Cooper L Lim M Del Signore

BACKGROUND Although term and preterm infants have the capacity to secrete tears, the relative contribution of basal and reflex secretion of tears has not been previously assessed together in a prospective study. This information potentially has practical clinical importance. OBJECTIVES To measure basal and reflex tear secretion in preterm (30-37 weeks after conception) and term (38-42 weeks) ...

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