Incomplete blinking and dysfunctional tear syndromes.
نویسنده
چکیده
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منابع مشابه
Tear lipid layer deficiency associated with incomplete blinking: A case report
BACKGROUND Meibomian gland obstruction induces hyposecretion of tear film lipids, which results in lipid layer deficiency and evaporative dry eye. Unfortunately, the importance of blinking in meibomian gland dysfunction has been largely overlooked, and it is not known whether incomplete blinking causes tear lipid deficiency, even in the unobstructed meibomian glands. CASE PRESENTATION A 38-ye...
متن کاملIncomplete blinking: exposure keratopathy, lid wiper epitheliopathy, dry eye, refractive surgery, and dry contact lenses.
Exposure keratopathy, including that which occurs following laser assisted keratomileusis, appears to be associated with incomplete blinking. Incomplete blinking may contribute to the signs and symptoms of lid wiper epitheliopathy. In addition, precipitation of contact lens surface deposits and other contact lens surface drying phenomena, appear to be accelerated by incomplete blinking. For the...
متن کاملA Controlled Study on the Correlation between Tear Film Volume and Tear Film Stability in Diabetic Patients.
Purpose. To assess the tear film quantity and correlate it with the quality and stability of the tear film in diabetics and compare them to age matched controls. Introduction. Diabetes affects tear film parameters in multiple ways. Poor metabolic control and neuropathy are postulated factors. To further understand how diabetes affects tear film parameters this study was conducted. Subjects and ...
متن کاملTear instability importance, mechanisms, validity and reliability of assessment.
PURPOSE To examine the factors which contribute to tear stability and the validity and reliability of methods used for assessing tear break up time which is a core part of an examination of tear stability in dry eye patients. METHODS A review of publications which are relevant to tear stability and its assessment. RESULTS Tear break up time may be more invasive than intended if difficulty a...
متن کاملMMP-9 and the perioperative management of LASIK surgery.
PURPOSE OF REVIEW Hyperosmolarity is a central mechanism causing ocular surface inflammation and eye irritation in typical patients suffering from tear dysfunction. Tear composition in dry eyes, or dysfunctional tear syndrome, may destabilize the tear film and cause ocular surface epithelial disease. Increased activity of matrix metalloproteinases (MMPs), especially MMP-9, plays a critical role...
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عنوان ژورنال:
- The British journal of ophthalmology
دوره 94 11 شماره
صفحات -
تاریخ انتشار 2010