نتایج جستجو برای: ocular film
تعداد نتایج: 146040 فیلتر نتایج به سال:
PURPOSE Meibomian gland disease is generally accepted as the leading cause for evaporative dry eye disease (DED). In a previous study, perfluorohexyloctane, a semifluorinated alkane, has been demonstrated to significantly increase tear film breakup time and to reduce corneal fluorescein staining in patients with evaporative DED, thereby vastly reducing dry eye-related symptoms. This study was s...
Squalene (SQ) possesses a wide range of pharmacological activities (antioxidant, drug carrier, detoxifier, hydrating, emollient) that can be of benefit to the ocular surface. It can come in contact with human meibum (hMGS; the most abundant component of the tear film lipid layer) as an endogenous tear lipid or from exogenous sources as eyelid sebum or pharmaceuticals. The aims of this study wer...
PURPOSE The differential diagnosis of dry eye syndrome is still a challenging task. The purpose of this study was to understand the relationship between a novel, objective clinical parameter, the "corrected lipid layer stabilization time," and commonly performed clinical tests for dry eye patients. METHODS Data were obtained from a prospective clinical study with 59 patients of different subj...
Purpose: The efficacy of using preservative-free 0.15% sodium hyaluronate eyedrops for dry eye disease after femtosecond laser- assisted cataract surgery (FLACS) was evaluated. Methods: This prospective randomized study conducted on patients with who were scheduled FLACS among those Tear Film & Ocular Surface Society Dry Eye Workshop II Levels 1 and 2. In total, 37 eyes to the treatment gro...
PURPOSE A glycocalyx plays important roles in the ocular surface epithelium, but there is no direct simple method to evaluate ocular surface glycocalyx. We tested a wheat germ agglutinin conjugate of fluorescein (F-WGA) as a marker to demonstrate ocular surface glycocalyx in vivo. METHODS After a 5% F-WGA solution was applied to the eyes of eight healthy volunteers, fluorescent intensities of...
OBJECTIVE To evaluate the efficacy of Systane((R)) Lubricating Eye Drops in improving the symptoms of moderate ocular dryness. METHODS Fifty subjects with moderate symptoms of ocular dryness were enrolled in this open label study. The mean age of subjects was 57.6 +/- 15.4 years. To be eligible, subjects' tear film break-up time (TFBUT) had to be <10 seconds, and subjects had to have at least...
This book, with contributions by some distinguished ophthalmologists, neatly summarizes some of the recent advances in corneal diseases and their management. The opening chapter by Dua and Said, is an appropriate introduction to the book, dealing as it does with the fundamental basics of ocular health – the tear film, conjunctiva, the limbus with its reservoir of stem cells and corneal nerves. ...
Dry eye is a common ocular surface inflammatory disease that significantly affects quality of life. Dysfunction of the lacrimal function unit (LFU) alters tear composition and breaks ocular surface homeostasis, facilitating chronic inflammation and tissue damage. Accordingly, the most effective treatments to date are geared towards reducing inflammation and restoring normal tear film. The patho...
Dry eye disease or dysfunctional tear syndrome is among the most frequent diagnoses in ophthalmology. It is a multifactorial disease of the ocular surface and tear film which results in ocular discomfort, visual disturbances, and tear instability with potential damage to the cornea and conjunctiva. Risk factors for dry eye syndrome include age, sex (female gender), race, contact lens wear, envi...
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