Posted by admin | Posted in Scale Models | Posted on 24-07-2008
Tags: greatlakes, marine, maritime, tracking, uscg
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Blink 15 Times Per Minute Into A Pc-Screen Visual Killer(2)
Blink 15 times per minute into a PC-screen visual Killer(2)
Huang Zhuren reminded to note is that some people feel the eyes swollen, but not very good attention, with IOP slowly increased, due to the long ignored, for this kind of pressure on slowly, "tolerance" of. If there is a certain trigger factors, will be a sudden outbreak. Patients with high myopia, diabetes, high intraocular pressure of patients as well as family history of glaucoma are open angle glaucoma in high-risk population. Regular eye examination is the best way to timely detection of glaucoma. Proposal persistent feeling of eye-bulging, it is best to do a glaucoma were excluded.
Retinal detachment: Young patients with high myopia also need to guard against
Symptoms: Suddenly one day, a sharp decline in vision, Sony VGP-BPL2 Battery as if a black curtain gradually covered over, finally cover the entire field of vision the eye. This is the very fast onset of retinal detachment. In patients with high myopia (600 degrees) and eye trauma populations relatively easy disease.
Expert analysis: As the increasing number of patients with myopia, retinal detachment disease is also increased, Chien-Ning Huang, director told reporters in the clinic, she also had some in school admissions retinal detachment, the students themselves relatively high degree of myopia, combined with pressure induced by mental factors such as.
If retinal detachment has occurred, then it can only surgery. But since then not to do heavy manual work or participating in violent sports, not weight-bearing objects, to avoid the collision eyes or head. Recommended in patients with high myopia eye examination once a year.
Other diseases may be unclear to see "Alarm"
1. Intracranial hemorrhage: Chien-Ning Huang, director told reporters that she had been a case of university students admissions patient felt a sudden one day to see what there is ghosting.
After the exclusion of fundus lesions, the experts recommended that she be a CT, and found a blood vessel ruptured intracranial bleeding, bleeding than small compression of the optic nerve, so she felt the vision blurred. Fortunately, blurred vision, also remind her that early detection of vascular rupture and severe, leading to bleeding, the consequences would be disastrous.
2. Diabetes: Diabetic retinopathy is a common and serious complications of diabetes, one of the prevalence of diabetes in the city is about 25% -50%.
Patients with newly diagnosed with diabetes will appear a transient myopia. Because a sudden increase in blood sugar lead to a high osmotic pressure, thereby expanding the eye lens, refractive index change caused by blurred vision. But once the blood sugar to restore eyesight would be restored. Many people do not know they have diabetes, but also not have the annual habit of checking blood sugar, leading to diabetes, long-term cover-up, after years of medical treatment found retinal bleeding, while blood glucose was found only after suffering from Dell Inspiron 6000 Battery retinopathy.
3. Cervical spondylosis: white-collar workers and a long bow to those who work in more or less will have a cervical problem. Similarly, eyes blurred vision, eyes pain, too, there is a possibility is suffering from cervical disc herniation. Because cervical disc herniation, it may be suppression of vertebral artery nervous system, causing deformation of the optic nerve edema. This disease are more severe cervical spondylosis.
How to prevent
Multi-point of eye drops useful than the blink of an eye overlooking
One, do not put the computer in the window to avoid light reflection from the overhead caused by radiation, causing the computer screen was not clear.
2, the computer top of the screen height to be slightly lower than eye level, as the line, placing the best place is the computer center of the screen should be about 20 degrees below the eye line of sight places.
Third, the computer screen and the eye distance of 60 cm is appropriate.
4, often blink in order to increase secretion of tears, to nourish the eye effect. Staring at a computer screen at intervals of 1 hour should rest 10-15 minutes, if available Biqiyanjing to look at and so to achieve the complete rest.
Similarly, the eye muscles also need exercise every day morning, afternoon, more than wink, looked far away, so that crystals are constantly relaxation and contraction movement. Or do eye-up exercises. Hands rub the eye placed on blood circulation functions.
5, if the normal eye is easy to dry, you can add artificial tears. However, there is one point to note is that most of the general single-bottle containing a preservative, it is best to use no more than three times a day.
6, pay attention to the light stimulus. Many white-collar workers like to play games at night, in order to not affect others, often need to turn off the lights, computer screens light directly stimulate the eye, right eye severely hurt.
7, the office of the tea can be a number of moderate HP pavilion zd8000 battery chrysanthemum tea, Chinese wolfberry tea, green tea, cassia seed tea.
Do not wear contact lenses cold
In the following circumstances is not allowed to wear contact lenses: the
1. A cold. When the hands are often a result of a cold with a lot of virus, wearing glasses when you get into the eyes of the virus easily. In addition, many anti-cold, cough, and pain medicines contain ingredients suppress tears, makes contact lenses to reduce the amount of tear secretion is too dry, reduce transparency, thereby affecting vision.
2. Menstrual period. While passing through the period and because of women will go to a few days before menstruation, intraocular pressure are often higher than usual, eyes, four weeks will be easier to congestion, especially those with dysmenorrhea disease of women, then if wearing contact lenses, would adversely affect the eye.
3. During pregnancy. Pregnant women due to hormone changes, so that the body water content has also changed, some swelling of the eyelids, cornea thickening, especially pregnant after 3 months, thickening more obvious with the normal matching contact lenses do not coincide, which leads to eye irritation.
4. Immunity declines. Therefore, partial resistance to the eyes, decreased tear secretion reduced, bacteria will be a large number of breeding, so metabolic products of bacteria deposited in between the cornea and the lens, resulting in reduced oxygen permeability contact lenses, corneal disruption of normal metabolism, which led to bacterial corneal ulcer.
5. Wearing colored contact lenses but also cautious. Because the color film with a lot of colors, so that light is not properly delivered to the eye, plus a special lens structure is more airtight than ordinary contact lenses, the eyes more dangerous.
Not everyone can do laser surgery
When every entrance examination to the hospital for excimer laser surgery very many young people. Some people even believe that poor vision has nothing to do with, anyway, possible future surgery. But if you do not take good care of their own eyes, you may not even no chance to surgery.
Molecular laser correction of corneal refractive surgery such as a certain degree of adaptability. In general, myopia in the 100-1500 degrees, but patients must not be less than 18 years of age, and short-sighted should be relatively stable for more than two years, the annual change, preferably less than 50 degrees. While accompanied by some eye diseases or systemic diseases, who can not do excimer laser surgery in clinical practice is divided into absolute contraindications and relative contraindications.
Absolute contraindications are mainly three categories: 1, keratoconus, glaucoma, severe dry eye and ocular active inflammation; 2, poor vision correction of severe visually impaired persons; 3, affecting wound healing systemic diseases such as diabetes, self - autoimmune diseases.
Commonly used with a computer degree can be a little shallow points
Some people often because there is relatively good vision in one eye, so reluctant to eyeglasses. However, this is equivalent to a human one shoed shoed heels flat shoes, it is very negative, it tends to drag a good eye vision.
When you are a long-term operation of time, especially if you want to work on the screen before the time of 4,5 hours, I suggest you should be equipped with a shallow degree glasses. This can be less regulation, so as to alleviate the risk of fatigue.
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1952 US COAST GUARD RULES REG PASSENGER VESSELS $12.00 Time Remaining: 48m Buy It Now for only: $12.00 |
Lionroar Photoetch 1 700 WWII German Vessels Guard Rails $8.68 Time Remaining: 15h 3m Buy It Now for only: $8.68 |
Lionroar 1 700 WWII US Navy Vessels Guard Rails II + Protective Net $9.30 Time Remaining: 22h 11m Buy It Now for only: $9.30 |
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