Take care of your eyelgasses

Now, the main function of glasses frame is decoration rather than vision correction.But, the quality of lenses is very important to your eyes. So, you’d better choose the normal factory for your lenses shopping. There is an obvious reduction on the glasses’ price because of the sharp jump on the online optical stores.More and more discount eyeglasses are offered online at your choice.Well, let me introduce the process of shopping eyeglasses online to you.Let’s take purchasing reading glasses for instance. At first, have your eyes examined in professional optical stores or hospital. Once you know your prescription, thousands of glasses online are at your choice. 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 comparison, choose the store with quality products, preference price and quality guarantee. You can go to some online optical stores advance to see the information of different eyeglasses. They often offer many discount eyewear. See carefully, and then you will came up with the startling discovery.

First of all, get your eyes tested by professional optometrists.The opthalmic test enables you to get the prescription which is necessary for you to buy your eyewear.It is worth notice that:it is necessary for you to get a professioanl guy to help you when you purchase reading glasses.to assure the accuracy of your reading eyeglasses with the centre of lenses coodinating with the centre of your eyes.As to the quality of the glasses frame, you need pay attention to following points:Good quality frame should be of high elasticity.The bright and smooth coating is also important to quality frames.Usually the welding spots of good frame is small, even and sleek.The close-coupled frames are considered as quality frames.The exactly same size and shape of two lenses, and the symmetry nosepiece are need to qualified frames.When the old people buy reading eyewear.both common lenses and bifocals are not bad choices.The key is that whether the transmission of light is good.But, the elderly’s lenses go from normal to hard.The adjustable ability and eyes organization gradually go out of commission as well.In order to ease the vision and to be easier to look objects near and far.bifocals and progressive lenses will be the preferential choice.They are good for people to protect eyes.

At present, bifocals are the favorite of the increasing hyperopia sufferers. While, unlike the common eyeglasses, there is a process for adjustment in use of bifocal or progressive glasses. Following are some basic knowledge in adapting this type of eyeglasses.
If you begin to wear bifocal or progressive glasses, you need to learn how to see things in varied distances.

• In order to distinguish distance objects, please raise your head and look through the upper lenses.
• Keep your head with a depression angle of 45 degrees, and look down through the lower lenses to see nearby objects clearly.
• You need to look through the middle area of the lenses to see objects at medium range
• The nearer the objects locate, the lower of the lenses your eyes should focus on and vice versa.

When you wear progressive glasses for the first time, it is likely you will feel uncomfortable accompanied with these symptoms.

• It makes one dizzy, be rocky while walking,have to be beware of the vision when exercising or walking upstairs.
• You are probably to find that there are variations on the space state.
• You are unable to distinguish the objects on different distances.
• When you look at the near things, you may find a little discomfort on eyes in that you have to move down your eyeballs.
• The edge of the lenses is the image distortion area, you can’t view things clearly through this part.

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.You’ better do as progressive eyeglasses works: different parts of lenses work for objects in varied distances.

Myopia attracts worldwide attention as a public health problem. The inheritance and environment are two elements that lead to the youth’s myopia, which is demonstrated by myopia experiment and epidemic research. The former is the pathological myopia, but environmental factors also play an important role. The genetic factor is the biological precondition and possibility during the development of students’ myopia. 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.
The prevention and cure of myopia for children and teenages.
1.Make use of glasses.The best way in the remedy of shortsightedness is wearing glasses. In the market main leans, bifocal glasses lenses can be found. Progressive multi-focal lenses with changing brightness function actively in suspending the deterioration of myopia. The survey proves that to children the footstep of myopia can be effectively suspended by wearing pairs of bifocals.
2.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 the medicineIn spite of the unclearness of the development mechanism of eyeball’s shortsightedness, A few kinds of medicine can stop myopia’s development.