Dry eye is one of the most common eye witness and increasing, associated with modern uk packaging life. In the US about 10% - 20% of the population (about 31.8 to 63.6 million people according to 2013 population estimates) exhibit dry eye, most of these are people over 40 years old. Approximately 1% - 2% of the population (of which 90% are women) suffering from Sjögren's disease, an autoimmune disease with the entry of lymphocytes into excretory glands (tear glands and including salivary glands), resulting in dry eyes and dry mouth.
Dry eye is used to rate movies disorders (tear film) due to reduced secretion and / or fast evaporation of tears, resulting in corneal surface lesions uk packaging and conjunctivitis (mucosa or fruit coated white sclera), cause of dry eye symptoms. uk packaging
Normally, the film consists of 3 layers charter base (Figure 1), from outside to inside cover (just check out the bold and do not let yourself be so intimidated by too many medical words): uk packaging The lipid layer (0, 1 micron) uk packaging is secreted by glands Meibom and women's fashion Zeiss and Moll and function Stalled evaporation of surface water. When blinked hard, thick layers will be added. Water layer (Aqueous, 0.7 micron): 95% secreted by the lacrimal gland and the rest by Krause and Wolfring routes. This layer is responsible for providing oxygen to the corneal epithelium, clean the surface of the cornea, corneal surface HOLD TO BE smooth, and prevent uk packaging infection because IgA, lysozyme and lactoferin in protein components are present in class This. Charter reflex is mediated by neural receptors of cranial nerve V with the changes in film breakage rate (tear break up), or the inflammation on the surface of sensory uk packaging and conjunctiva. The damage of the nerves on the surface of the cornea after refractive equal treatment is the reason leading to reduced uk packaging secretion and dry eye in many different levels. Mucous layer (0.2 micron Mucus): secreted by goblet cells of the conjunctival epithelium and corneal and warm the surface mission OUT OF CEREMONY. This mucin layer is attached to the cornea and conjunctiva by glycoclalyx, uk packaging a glycoprotein produced by the cells and corneal epithelia.
The presence of all three components of the surface film debut rules help retain moisture and smoothness to make the sharpness of the image and helps maintain normal vision, as well as create a sense of comfort. Tear film is washed through innovation and blink reflex.
Causes of dry eye: extremely diverse but can be split into two large groups of causes (if necessary fully searchable see appendix below). uk packaging Disability water layer (layer Aqueous deficiency): Specifies by Schirmer's test <10 mm (http://tube.medchrome.com/2013/09/schirmers-test-i-ii-dry-eye-screening.html) Do Evaporation rate too fast (Evaporative Keratoconjunctivitis sicca (KCS)) indicated by Tear Break Up Time (BUT) <10 s
But there is a lot of dry eye witness manifestations vary depending on the cause, but a lot of my patients to the hospital, return to me and wondered why her suffer while their dry eyes constantly tearing . It is caused by lesions on the surface of the eye plus film rupture rates too quickly leads to discomfort, uk packaging consequently reflex tears. Therefore although uk packaging you shed tears, the surface of your eye is still relatively dry.
Other symptoms include: COM eye (like with the pebbles uk packaging in your eyes), uk packaging red hot eye, eye irritations, eye Present, sticky eyes (mattering, caking), especially in the morning when you wake up, feeling hard shall cause you to blink frequently, even rubbing the eye, sensitivity to light, pain, pressure behind the eye sockets, even headaches, blurred uk packaging Blurred vision or enter (blurry vision). Dry eyes how to influence activities of daily living?
Dry eye affects many daily activities such as reading important, professional work (especially those jobs that require high precision), using a computer, watching television, or daytime driving ban night, etc ... You have dry eye expression, so what is the next step? Even when the disease is slight you should visit at eye clinics to know the causes, mechanisms and extent of his dry eyes and have the tips, treatment and monitoring of professional treatment. Many systemic diseases, diseases uk packaging of the eye surface is the eye doctor to detect and if necessary treatment or refer you to a specialist needed to diagnose the disease, symptoms related to dry eye. Your eye doctor can inform doctors of internal medicine, cardiology, or your doctor about the condition of dry eye and give professional uk packaging recommendations relating to adjust medication. If your children complain about dry eye expressions, tears should go see a specialist to rule out lack of vitamin A from the disease if not detected and treated in time can lead to permanent blindness caused by ulcerative puree corneal (keratomalacia), your doctor may use some questionaires to determine how dry your eyes: http://dryeyezone.com/encyclopedia/documents/OSDI.pdf, doctors can help you choose appropriate treatment and patient with your income. Your doctor will give you some useful tips on using against dry eye glasses, contact lenses should wear or not, Indonesia
No comments:
Post a Comment