Take care of your eyelgasses

The first thing that comes to mind when one thinks of sun protection is to protect skin, hardly think of protecting eyes. In practice, researches indicate that eyes exposure to ultraviolet radiation will do injury and even cause diseases to eyes. Therefore, we should pay attention to eye protection from sunshine.
Please don’t look up into the sun. Delicate eyes are easily hurt.Short-time direct view to sun may result in transient giddiness. One may suffer from pain, tears, inflammation and blurred vision if he/she looks up to sun for a long time.
As is known to all, eyes are fragile and susceptible to ultraviolet radiation which would easily injury eyes. The UV ray of 280nm wavelength damages the cornea most badly and it brings about the conjunctivitis. The UV rays with the wavelength of 290-400nm are harmful to lens, which would result in cataract. Research suggests that one more hour you bask in the sun every day; you are likely to get cataract with 10% more chance. And now we should talk about some precautions.
When you are outgoing in summer, remember to wear broad-brimmed hat or use umbrella, a pair bifocal glasses is most effective in protecting your eyes. It is worth to note that the bifocal sunglasses you buy should be good enough in quality. Sunglasses of poor quality can’t help in protection but result in injury to eyes. One must buy himself/herself a pair of sunglasses with anti-UV function. Medical research shows that it is unnecessary to choose lenses with too dark color. Grey and light grey are more effective in blocking UV rays. People wearing contact lenses can buy UV-protective ones which are able to block 90% ultraviolet radiation. It would be safer to add a pair of progressive eyewear. Don’t work or do activities outside at noon because the sum at that time is strongest and prone to hurt skin as well as eyes.

Recent years, more and more middle aged people suffer from hyperopia. So the bifocals enjoy higher and higher market shares.But, by using bifocal or progressive glasses, one should pay special attention to the adjustment period.Let’s learn some tips in the process of adjustment together.
For green hand in using multifocal glasses, it is an important lesson to command the methods of seeing objects clearly in different distances.

• Distant objects: raise head; look at things with line of sight parallel to the ground through the upper part of lenses.
• Near objects: keep you head at an angle of about 45°with the horizontal surface; look down through the lower part of the lenses.
• See middle distance objects by looking through the middle area of the lenses.
• You can look objects from distant to near clearly by looking through the lenses from up to down.

For green hand in using progressive glasses, it is common to encounter with following uncomfortable feelings.

• It makes your head swim,be unsteady on one’s feet,have to be beware of the vision when exercising or walking upstairs.
• It is likely for you to be under the delusion that the space state is changing.
• You are unable to distinguish the objects on different distances.
• Your eyes may not feel well when focusing on the objects in near distance, for your eyeballs should move to the lower side.
• You may find objects you look via the peripheral part of the lenses are blurring.

So, it is best for people who wear bifocal or progressive glasses for the first time to move head instead of eyeballs when look at things.Try to look things in different distances through the corresponding vision area.

 Glasses frames play an important role in dressing up and showing personality.Yet, the lenses quanlity is of vital importance to your health. Therefore, it is suggested to buy the lenses which are produced by professional manufacturers.

Because there are more and more online eyeglasses shops, the price of eyewear online become lower and lower. Thousands of discount eyewear are sold in numerous online glasses shops. Well, let me introduce the process of shopping eyeglasses online to you.

Take, for example, shopping for reading glasses.First of all, get your eyes tested by optometrists in formal optical stores or hospitals. With your prescription, you can choose any kinds of glasses that are suitable for you. After that, pick up any frame you like online, and fit a pair of reading lenses based on your prescription.

You may find the price in different online optical stores is not the same. By contrast, you will find a store beats other down by quality products and low price. Buy there. It is suggested that the information about glasses which can be obtained from many online glasses store is helpful. These websites will provide some discount eyewear. Observe carefully, you will find some surprises.

Myopia, with its common occurrence, becomes a universal public health problem. Some causes of children’s shortsightedness can be concluded from the myopia experiment and epidemiology research, Genetic and environmental factors are both related to shortsightedness. The former is called pathological one, in which environment also plays an important role. Students’ shortsightedness takes genetic factors as biological priority during the forming process, it only causes the possibility. Yet, the decisive factors of shortsightedness are environmental; students’ shortsightedness is a result of doing homework shortsightedly for too long a time, and formed with genetic influence.
Take precautions against myopia in children and youths.
1.Use eyeglasses.Glasses are the primary means for correcting myopia. The bifocal glasses are among the best choices. The changing brightness of progressive multi-focal lenses blocks the regulation of axial elongation caused by the vicious cycle to alleviate eye fatigue. Thus, the aim of controlling shortsightedness’ development is reached. The survey shows that positive effect can be seen after children with myopia wearing the progressive lenses.
2.Eye operation.Excimer laser corneal refractive surgery one of the fastest developed medical high-techs, is approaching perfect, Adolescents, who are growing up, should be given much caution on the operation.
3.Take pillsAlthough the mechanism of the eye changes of myopia is not clear, there’re remain a variety of drugs can prevent its development.