Eye Care Blog

Differences between eyeglasses and contact lenses

Added 25/12/2009

The human eye is commonly considered as the most advanced digital camera in the world. In addition, it usually indicates some diseases in other parts of the body. However, the eye will unexpectedly loose it elastic nature as people age. Presbyopia is such a consequence of this change in the eye.

 

This eye problem will gradually affect a person’s focus ability. As a result, presbyopic patients become unable to see near objects. Those elder ones with presbyopia can benefit from bifocal lenses, which have a lower section for near reading and an upper section to see objects at a distance.

 

However, there are many eye conditions that may influence the selection of contact lenses, including cataracts, glaucoma, trachoma, acute conjunctivitis, eyelid infection, astigmatism, color blindness, inflamed or water eye and so on. With certain of these conditions, some people may be confused to choose contact lenses or eyeglasses.

 

Actually, it all depends on individual type of eye infection. Without the consideration of personal eye condition, contact lenses and eyeglasses are both ok that they have both advantages and disadvantages.

 

Contact lenses usually require wearers to observe certain precautious daily rules and regulation. Certain factors such as cleanness and disinfecting must be carefully examined before contact lens wearing. Unlike contacts, eyeglasses require no special treatments on lens observation. In addition, eyeglasses do not react to the wearers like contact lenses.

 

There are still some detailed differences between contacts and glasses. Contact lenses are more expensive and require special training from the doctor as well as special storage to prevent infections. In contrast, eyeglasses require no special training and can be used for a longer period of time.

 

Nowadays, many young girls and ladies use contact lenses to gain extra fashion and good looking. This application is believed to cause more eye problems. All in all, eye health is more important than fashion.

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Protection of Prescription Eye Glasses

Added 24/12/2009

To the people who have eye problems such as myopia, far sighted, they need a pair of prescription eye glasses to correct their visions. In this way, nearsighted people can see objects far away clearly, and farsighted people can see clearly up close. As the age, people are inevitable to face the problem of Presbyopia. Anyway, any of the vision problems make you trip to an optometrist to get an eye test and get a prescription.

Eyeglasses with high index material are important to people who have severe vision, which are lighter than normal material eyeglasses. With a heavy pair of glasses always cause people who wear it headache.

For those that have bad eyesight, aspheric lenses are another great option. Because aspheric lenses are more flat and thinner than normal material eyeglasses lenses. The direct benefit of this kind of lenses is that they can make your face or eyes look normal. As you know, if behind thick lenses, your face looks distorted more or less.

Usually, prescription eyeglasses are expensive so protecting coatings for them are necessary. Scratch resistant coatings, anti-reflective coatings and UV coatings are commonly come with prescription glasses today, which can protect your glasses from the damages of UV light and glare light and so on. That means you can use your glasses in a longer time.

Nowadays, the technique of photochromatic is used in prescription eyeglasses. Simply speaking, when you in a bright environment, the glasses lenses appear dark, but when you in a not so bright environment, the color of glasses will show clear. The color changes depend upon the environment.

For suiting the needs of people who both have farsighted and nearsighted, multifocal prescription eyeglasses have been used in eyeglasses. Progressive lenses, trifocal and bifocals are typical multifocal lenses, which can integrate the coming light smooth and suitable for people seeing clearly.

Nowadays, the researches about new techniques of prescription eyeglasses are advancing. Besides the examples mentioned below, there are some new advancements are going on such as smudge and scratch resistant glasses, which can make the glasses clean and hard to be scratch.

more info http://blog.firmoo.com/eyeglasses

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Pick out the trendy eyeglasses frames

Added 24/12/2009

The time of old fashionable eyeglasses frames have passed. Nowadays,people would like to choose the most fashionable ones and actually,there are so many great eyeglasses frames on the market, some of whichare really wonderful and charming.

People have many choices when they buy eyeglass frames.The eras of few choices have gone. There are kinds of glasses frames inthe market, including different shapes and colors. Also, some famousbrands are peoples’ favorite. In these kinds of frames, some have thesame name of celebrities, and some have the images of favoritecharacters on them. Undoubtedly, the choices of frames in today’smarket are wide.

When you are supposed to buy a frame you always try your best toprove that you have done a very right decision. When all is said anddone, a frame you buy will accompany with you for a long time.Naturally, you wish that the frame will be the one most suit you. Well,there are some tips for you choosing a suitable one:

First of all, you should make sure that what kind of face shape youare, this is important for you. If you have a round face, you shouldfind out a one that can make your face look long. And the slim ornarrow frames are suitable for squared faces. For diamond shaped face,the cat eye frames are nice choices. Of course, your optician also willgive you suggest about which kind of frames suit your face, and thereare many choices for you.

Secondly, color and complexion also should be taken into yourconsideration. You had better get the point which color suit your face.Some people may suit warm color and some people may be suitable whenthey go with cool color. Understand the base color of your face is veryimportant for you to choose the right frames.

Additionally, pick up the right size of frame is also veryimportant. If you get a too huge one which can cover your face, it isnot good looking. Too small is also uncomfortable for you. So choosethe proper one to wear.

Finally, the material of frames is very important for you. Somekinds of materials are very light and suit your face skin. Nylon framesis a common material which is suitable for children, because they arehard to break. And Flexon frames are the good choice for the people whoneed flexible frames. If people want to wear a light frame, thetitanium frames are the nice choice for them.

more info  http://vision.firmoo.com/eyeglasses

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