Vision depends on the eyes, a series of complex interactions between the different parts. One eye is to maintain continuous production and tear drainage clear vision and prevent infection. Keep the eyes moist with tears, wash away the stimulus and help wound healing. When there is not enough or poor quality of tears produced, the resulting condition is called dry eye. Dry eye can cause the eyes to become fussy. Some people experience blurred or decreased vision changes. In rare cases, can even lead to dry eye blindness if not properly treated.
Dry eye, the usual symptoms include:
* Stinging or burning eyes
* Pain and redness
Or string mucus around the eyes *
* Excessive tearing
* Difficulty wearing contact lenses
In healthy eyes, flashing leave a "tear in the eye surface of the film" keep it smooth and clear. Do not tear film, good vision is impossible. Tear film of 3 layers, one in the outside, in water samples and the inner mucous layer of oil-bearing layer. Oil layer will help the tears remain in the eye, to keep them from evaporating too quickly. Layer of clean water to stimulate the eyes and wash away. Aquifer, which is what is commonly referred to tears. Mucus layer of the aquifer, so evenly distributed in the surface of the eye to keep moist. In dry eye who either do not produce enough tears and / or tear film, such a poor quality tears in the eyes can not remain long enough lubrication.
Causes and risk factors
Tear production normally as we get older, but dry eye can affect men and women of any age. However, it is more common among women, especially postmenopausal women. Dry eye can also be associated with other problems, such as Bell's palsy and rheumatoid arthritis. Dry eye syndrome and arthritis can be a sign of a syndrome known as drying.
Eye surgery can also cause dry eye. Refractive surgery dry eye complications may be. Dry eye not only causes discomfort, but can reduce visual quality due to intermittent blurring and other visual symptoms. For some, the situation may be permanent, intensive therapy and the decline in the use of plugs may be necessary.
Many people find their eyes get tired, feel dry, sitting in front of the computer. Adjust your monitor to reduce glare and can help, because it can flash more often.
A variety of drugs can also cause dry eye, including:
* Nasal congestion
* Sleeping tablets
This is a good idea, tell your doctor what medicines you are taking, because some may cause dry eye symptoms worsen.
Dry eye treatment often constitute. Relatively simple non-prescription alternative to tearing so-called "artificial tears" eye drops lubricate the eye and replacing these much-needed moisture. There are many brands available non-prescription drugs, including the sensitive eyes of the brand without preservatives. Doctor can help you choose which one is best for you, and instructed on how often to use it.
Artificial tears can also use before bedtime to prevent drying overnight eye cream, but because they are frequently involved in a long use, they may cause irritation or allergic reactions.
Sure to check with your doctor before using them.
You can take other steps to help ease dry eye include:
* Use humidifier to add moisture to your room
* Wearing a winding glass dry your eyes the wind
* Do not use a hair dryer
* Avoid smoking
More serious treatment, usually severe dry eye can include special plug drains closed tears to protect your own tears. Discharged through the tears of small eyelid openings within the eye. Close these channels can help to protect your own tears, artificial tears last longer help.