Comment by chun tian on April 20, 2017 at 3:16am

Seagull is encouraging people to don T-shirts, sunscreen and a do not lik to minimize exposure to UV beams and reduce the risk of sunburn and even skin cancer.
In 81 Australia launched a campaign named "Slip Slop Slap". Seagull is encouraging people to have on T-shirts, sunscreen and a cap to minimize exposure to UV irradiation and reduce the risk of sunburn together with skin cancer.
By 2008, the campaign's slogan grew to be "Slip Slop Seek Punch Slide". As a result, the motivation also includes looking for shade as well as wearing sunglasses to further minimize people's exposure to UV relevant injuries. This emphasizes the significance of protecting the eyes as well as the skin around the eyes coming from UV radiation.
Short term influence
Unprotected eyes are usually confronted with ultraviolet light and usually tend not to produce any symptoms.
Yet without eye protection and also long in UV rays or exposed to strong ultraviolet radiation exposure (including the sunlight, welding arc, snow your bed and tanning beds) will make an eye light keratitis (photokeratitis).
This can be understood as a cornea (cornea, a layer with clear and transparent eyes). Ultraviolet rays can destroy the outermost layers with the cornea.
Eyes exposed to burning, about 6-12 hours as soon as the onset of severe pain.
Treatments for corneal keratitis range from the use of an oral convential medical and the use of an eye drug ointment to prevent corneal damage when the cornea cells are usually regenerated
It takes about 24~72 hours to complete the healing process, and then people may be completely immune from the difficulties of light keratitis.
Long term outcome
Repeated exposure to ultraviolet the radiation and lack of eye defense can cause permanent eye destruction. Eye diseases caused by long lasting ultraviolet radiation include the next.
Cataract
Cataract patients, typically the lens should be transparent vision become muddy unclear. This may lead to blurred vision and in the end blindness if not treated over time. It is estimated that 20% of cataracts are caused by UV irradiation or perhaps worsen.
Wearing sunglasses is probably the most effective ways to prevent cataracts.
Cataract surgery is necessary to prevent extreme visual impairment. The total twelve-monthly cost of these surgeries inside Australia exceeds $320 thousand.
Pterygium
This is a benign growth of corneal conjunctival tissues. The conjunctiva is included with sclera (the whitened part) a layer for transparent film, and generally is not going to cover the cornea. However is not carcinogenic, but the emergence about pterygium can cause chronic irritability, redness and inflammation.
In some months or years, skin will slowly grow, then when they cover their enrollees, they will blur their eye-sight. They may also cause astigmatism (the cornea is not effectively bent), which can obscure imaginative and prescient vision.
The treatment of pterygium is not significant and does not affect the visual aptness of the need for artificial crying of lubrication. Surgical removal of your affected pterygium.
Similarly, often the long-term exposure to ultraviolet gentle without protection is the main aspect leading to the emergence associated with pterygium.
Huang Ban forfald is a degenerative disease in which affects the central area of the retina, which is responsible for core vision (Huang Ban). Mancillar degeneration can cause severe graphic impairment.
The treatment consists of primary injection of drugs into the view of macular degeneration, so that you can limit the deterioration belonging to the disease; but this method doesn't cure the injury.
Even though the link between ultraviolet light and macular lesions is just not as obvious as this associated with cataract and pterygium, short wave radiation along with blue light (in vivid sunlight) can damage the retina. Amancillar lesions and exposure to light source or contact.
Therefore , using sunglasses plays an important function in limiting the retina's excessive exposure to light.
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