Archive for the ‘Online Shopping’ Category

Features Offered By Contact Lens Manufacturers

Tuesday, April 15th, 2008
Contact Lens
Stacey Day asked:

There is much more to consider when purchasing a pair of contact lens than whether they are lightweight, and painless. People carefully review all of the features offered by contact lens manufacturers. Any contact lens manufacturer might produce several products in contact lens wear, and finding the right product for your lifestyle is very important.

Some of the features offered by Bausch & Lomb contact lenses might include soft contact lenses and rigid gas permeable lenses. This brand is known more by people than other contact lens manufacturers because of their eye care products, pharmaceutical products and ophthalmic surgical products than for the contact lenses that they manufacture. Their products will work well with many other manufacturer contact lenses and people trust their products explicitly.

The manufacturer Cooper Vision has the distinction of being the only manufacturer whose contact lens brand, Proclear Compatibles that the FDA allows to make certain claims about providing improved comfort to contact lens wearers who have experienced discomfort due to dryness.” That distinction leads many people to purchase their brand over other features offered by contact lens manufacturers.

Boston Rigid Gas Permeable offers a lens type that is an excellent choice for people with dry eyes, astigmatism, and sensitive eyes. Their gas permeable lenses out perform other features offered by contact lens manufacturers. They may also be an option for people who have had trouble wearing soft contact lenses in the past.

CIBA Vision is a widely recognized contact lens brand because they offer cosmetic and colored contact lenses that people wear to not only change their eye color but enhance them too. These are far better features offered by contact lens manufacturers that offer clear lenses as their only option.

CIBA Vision offers a patented pattern in their product line called FreshLook ColorBlends that is a three-in-one color burst pattern. This patented pattern clearly outweighs other features offered by contact lens manufacturers who have no patent at all.

Cooper Vision is the number one manufacturer of toric lenses and features the most advanced lenses in the contact lens manufacturing industry. Two contact lenses in their product line offer features not found by other manufacturers. For best vision in a contact lens people can choose to wear the Aspheric lenses, and for unmatched day comfort, they can choose to wear the Proclear Compatibles.

Johnson & John Vision Care under the Vistakon umbrella was the first manufacturer to offer soft disposable contact lens, which was a significant features than those offered by contact lens manufacturers at the time. Their Acuvue Brand remains the number one brand in the world in this category.

Specialty Ultravision has bested features offered by contact lens manufacturers by offering a technology that blocks aberration. With their lenses, contact lens wearers are afforded an increase in the clarity of the images before them, which gives them sharper vision capabilities.

Wesley-Jessen, which is part of CIBA Vision offers more features than any other contact lens manufacturer. This contact lens manufacturing company features more than 85 combinations of contact lenses to meet all eye requirements of contact lens wearers around the world.

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Contact Lens Care

Wednesday, March 12th, 2008
Contact Lens
Peter Gilbert asked:

People must consider how they will handle their contact lens when they get them home. There are contact lens care systems available that are available that are designed to work well with not only your eyes, but your lenses and lifestyle too. There are different care methods required for soft contact lenses than the care methods for gas permeable lenses.

A contact lens care system will ensure good contact lens care. It is a group of disinfecting and cleaning products that are highly recommended by eye professionals for the type of contact lens that is prescribed for your eyes. Each contact lens prescription is based on your lifestyle which will determine which contact lens is right for you.

Some people mix and match their contact lens solutions because some are cheaper than others, and end up with infected eyes, scratched corneas, and warped contact lens surfaces. For proper contact lens care, solutions in a set system should be used together at all times, and should be used according to the directions on each container.

People should establish a regular contact lens care plan that they will use day by day when they are inserting and removing their contact lenses. A good contact lens care plan would be to meticulous clean your hands by a full wash and drying practice before the lenses are moved from the eyes. For handling contact lenses, a good contact lens care plan would require that the lens be placed in the palm of the hand.

In this position, contact lens care instructions might require squeezing several drops of solution into the palm, and strictly prohibit direct spray onto the contact lens surface. By reading the instructions on the bottle, contact lens wearers will be able to develop a good contact lens care plan.

One contact lens care plan might require that both sides of the lens be rubbed in the solution in a back and forth motion. For other lenses, a manufacturer might institute a contact lens care plant that requires that several drops of cleaning solution be added directly to the lens and rubbed between the forefinger and thumb for 20 to 30 seconds to remove dirt and unseen particles.

Some contact lens care programs require enzyme cleaning solutions to be used to help remove protein deposit from the surfaces of certain brands of contact lenses. A contact lens professional will advise you if this step is necessary to ensure that your vision is not affected by this chemical process.

How you store your contact lens is a major part of a good contact lens care program. Contact lens will not be ruined if they dry out over night, but many people think they are ruined. If a contact lens dries out in the container, all that the contact lens wearer needs to do is perform the cleaning and rinsing process again before they place their contact lens back into their eyes. Simple rewetting is not a good route to take because the solutions penetrate the surface of the lens better than plain water.

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Importance of Contact Lens Solution

Thursday, March 22nd, 2007
Contact Lens
Lesley Lyon asked:

Contact lenses are prone to be affected by micro organisms and deposits, as with all other materials and if these bad elements are not properly removed, it may result in contaminating the lenses, thereby causing discomfort to the eyes. So, the contact lenses should be regularly cleaned and maintained.

Contact lenses should not be cleaned with ordinary tap water since it contains chemicals, minerals and other particles apart from micro organism that are harmful for the eyes. Even home made saline- even if it is purified and distilled - should not be used for cleaning the contact lenses because it may involve designated amount of pieces of ingredients. Thus, contact lens solution which is specifically intended for this purpose alone must be used.

These solutions are specially designed such that they protect the moisture in the eyes and prevent lenses from dehydration. Most of the solutions are available without the preservatives and contain peroxide, which is good for disinfecting. So a good contact lens solution is the one that suits all types of lenses, enhances the movement of the lenses and is specially formulated to lubricate contact lenses.

The contact lens solution should be capable of removing protein, prevent calcium deposits and also kill germs. The contact lens solution should be such that it lubricates and moistens the lenses thereby relieving the eyes from irritation from the dirt, dryness or smoke, which are all hazardous to the eye. Contact lens solution should be selected to suit people who have sensitive eyes.

Contact lens solution also plays a great part in maintaining the water balance of the lenses. The contact lens solution is available with and without preservatives. To be free from germs, the contact lens solution must be manufactured in highly disinfected environment.

When the contact lenses are taken out of the case for use, the solution should be discarded and when the lenses are placed again, a fresh solution must be used. The contact lens solution must be changed periodically as advised by the medical practitioner. It is mandatory that the contact lens solution is approved by the FDA and manufactured by reputable companies.

The contact lens solution should never be reused. Most of the users of contact lenses top off the liquid, which is adding a little more quantity of the solution to the already existing used solution and this should never be done.  The solution should be changed everyday.

The eyes are far more precious than a bottle of contact lens solution and therefore, there should be no compromise on the quality of the contact lens solution.

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Contact Lens Replacement Services

Saturday, December 30th, 2006
Contact Lens
Stacey Day asked:

When people damage their contact lenses on any given day of the week, sometimes it is necessary to replace them quickly because the person may not have a pair of eyeglasses that they can wear in the meantime. They may consult their doctor and have a replacement pair ordered through regular channels.

If this happens on a weekend, their regular ophthalmologist will not be in their office and the person might be unable to see until the following Monday. Through the use of contact lens replacement services, people can keep any number of contact lens available to wear for any occasion.

One of the requirements that must be followed in order to use a contact lens replacement service is that the person must register their contact lens prescription with the service. This is mandated and required by Law and there is no other way around it. Once this registration has been accomplished, the contact lens replacement service can offer a variety of services, and generally at a price far lower than that offered by their regular eye professional.

A contact lens replacement service can not work miracles. They are required by law to replace the lens prescription exactly as prescribed by your eye physician. This means, that the exact brand, specification and type of contact lens that the doctor prescribed for you on the day that your eyes were examined, will be the finished product that is delivered to you from the contact lens replacement services.

Many people try to renegotiate their vision acuity with this type of contact lens replacement services specialist, but they must adhere to the Law, and give you exactly what the doctor ordered for you. The only exception this policy, is that the contact lens replacement services can change the color of the contact lenses for you if you like.

This exception can be done by contact lens replacement services, only if the color of the lenses is offered in the exact brand that your original prescription was written for. If there are several color choices in that brand, then you can order several colors, to be stylish in any type of outfit that you wear.

Many people use these contact lens replacement services because they like to keep an extra pair of contact lenses in their home medicine cabinet. Business professionals might prefer to keep 2 pairs of contact lens at the office, because one of them will always remain in their briefcase, and the other pair is kept in their office desk drawer.

Should damage occur during a business meeting at a client’s business location, it is easy for the business professional to reach into his briefcase and take a moment and change them out in the restroom.

Scratches and unwanted deposits can make the surface areas of contact lens difficult to wear at times. It’s makes good common sense to keep two pair on hand, and it is more for convenience and practicalities than it would be for a fashion makeover. When time restraints prohibit a thorough cleaning and rinsing regimen, people will switch to another pair until proper cleaning can be done.

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Do You Need Contact Lens

Saturday, December 2nd, 2006
Contact Lens
David Faulkner asked:

Are you about to venture into the world of wearing contacts? Many people in need of corrective lenses choose to wear contact lenses because of the comfort and an aversion to looking awful with glasses. Glasses slip down your nose, weight on your ears and nose, and have glare problems with light. You also have to have special lenses or an extra pair to keep the sun from blinding you when wearing glasses. A contact lens allows you to get rid of this paraphernalia and simply have corrected vision. Most individuals won’t even realize you are wearing a contact lens because they are virtually impossible to see in your eye.

Contact lenses have changed since the 50’s. A hard contact lens was the first lens to be made. This type of contact lens was made of a glass material making it very rigid and very uncomfortable for your eye. Most individuals felt glasses were the only way to go because of the uncomfortable material and expense. After all it was very easy to scratch your eye with a hard contact lens when trying to get it out because of the rigidity of the material. Soon glass material was replaced with a polymer based product making contact lenses a little more comfortable; however the restricted oxygen flow to the cornea was causing eye sight problems like blindness in individuals who wore contacts for several years.

We now have a silicon hydrogel contact. This is known as a soft contact lens. The material is like plastic and conforms to the eye easier than their counterparts. It is also thinner. This thinner material tends to tear easily, but gives more comfort to your eye. It is an almost weightless material so your eye will barely feel its presence.

With the introduction of the silicon hydrogel contact lens we also have the introduction of more color contact lenses available. You may have seen some one with violet, jade, yellow or red eyes. The color contact lenses are available to create whatever effect you wish to, however there are downsides. The color contact lens tends to restrict oxygen flow when you have these type of opaque lenses because the material is a little heavier to create the affect.

Your contact lens is created to fit your eye. An eye care specialist will measure your eye to get the correct lens ordered to fit your eye. This is why most individuals with higher prescriptions tend to wait a week or more for their contact lenses to arrive. You can also have corrective lenses for astigmatisms or bifocal contact lenses. The Toric lenses are weighted at the bottom to keep the contact on your eye and eliminate the blurriness created by the astigmatism. The bifocal contact lens is available for those who need an adjustment for near and farsightedness and don’t want glasses. Your eye care professional will make sure you have the right prescription for your contact lens.

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Create An Illusion With Glow In The Dark Contact Lens

Sunday, October 15th, 2006
Contact Lens
Jim Kesel asked:

Glow in the dark contact lens is also now available in the market. They are an innovation when it comes to special effect contact lens.

The usual type of contact lens just either help enhance the eye’s natural color or bring it out with the use of other eye colors. Some can also create illusions with the use of extraordinary colors such as yellow and red. Some go as far as placing shapes on contact lenses to create the illusion of a magical pupil or something otherworldly. However, glow in the dark contact lens put all those innovation into a whole new level.

The glow in the dark contact lens is generally used for theatrical purposes. Those who wanted to create a spookier costume presentation for Halloween would also benefit a lot from using glow in the dark contact lens. Once worn, it definitely calls for attention and therefore produces a lot of audience impact.

These contact lenses can be further customized to illuminate different images in the lens itself to make them more unique. It can also be built within shapes to create a more awesome look. No matter how innovating the designs or shapes maybe, they can still amaze those people who have tried them on. The only thing the wearer should keep in mind is that it must be relative dark in order to see the full effects to the glowing lens.

So what’s the trick behind that glow in the dark look? This type of contact lens makes use of luminescent material which is safely placed on its surface. However, in choosing a lens with specifications like this, it is important to look at its accreditation. It is highly advisable to use only those which colors are approved by the FDA. Make sure your eye doctor gives his or her approval before trying on an unknown brand of specialty contact lenses.

In addition, this type of lens should also be purchased with proper prescription. It is important to consult a licensed optometrist first before availing one. As soon as you get an approval to wear a theatrical contact lens, the next important thing to do is find a reliable contact lens seller. This is important so that the quality of lens is ensured. Also, it’s very appropriate to buy only those which have proven their name over the years since there’s additional material being placed on this lens’ surface which is not a simple process.

Some brands of glowing contact lenses are not recommended to be worn while driving at night. Apparently the glare of oncoming vehicle headlights have cause some people to have vision problems. Again talk to your eye doctor if you have any questions as any possible limitations that may be involved with wearing theatrical contact lenses.

It is strongly recommended that this type of contact lens should be used by only one wearer. This is not intended for borrowing because that would be very unhygienic and potentially dangerous to the eyes. Your Glow in the dark contact lens should also be taken cared of and cleaned just like any normal contact lenses. Failure to do so may lead to serious consequences.

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How many luggages can you take on a flight (not carry-ons)?

Wednesday, September 20th, 2006
Luggages
Johnny C asked:

I’m going with a group of 9 to Ghana West Africa for 2 weeks and I wanted to know how many luggages I could take and not get charged. I keep hearing one but then others tell me 2.

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The Origins of the Contact Lens

Thursday, July 27th, 2006
Contact Lens
Steven O Myros asked:

 

Many people believe that the contact lens is a modern invention, but that’s actually not the case. In fact, the origins of the contact lens extend as far back as the early sixteenth century. Even the modern form of contact lenses first emerged several decades ago. Since the very first conception of the principle behind contact lenses, these optical devices have undergone many different changes at the hands of several different inventors and eye care professionals. In fact, contacts have gone from cumbersome and uncomfortable devices made of glass to today’s plastic lenses which offer a high level of comfort while providing sharp, clear vision for those with a wide variety of vision problems.

 

The history of the contact lens dates back to the early sixteenth century. More specifically, in 1508 Leonardo da Vinci came up with the general principle behind contact lenses. While he didn’t actually create such a lens and wasn’t necessarily concerned with correcting vision, da Vinci sketched and described a variety of ideas involving placing a lens directly on the eye in order to aid vision and alter the corneal power of the eye.

 

During the following century, in the 1630’s, France’s René Descartes proposed the idea of a corneal contact lens. His idea involved the use of a liquid-filled glass tube placed directly against the cornea of the eye and shaped to provide corrected vision. In 1801, a scientist by the name of Thomas Young developed Descartes’ idea by conducting experiments using a liquid-filled eyecup, the outer end of which contained a microscopic lens.

 

Also in the nineteenth century, British astronomer Sir John Herschel proposed ideas for correcting vision with a jelly-filled capsule and a corneal mould. These ideas were published in a footnote of the Encyclopedia Metropolitana in 1845. Although it’s believed that Herschel never actually tested these ideas himself, they did provide the basis for experiments and inventions later on which would eventually lead to the creation of lenses shaped to fit the eye.

 

Just over 40 years after Herschel’s ideas were published, in 1887, Germany’s F.E. Muller created the first usable contact lens. Muller was a glassblower who made artificial eyes and while his contact lens could be seen through and could be tolerated for a few hours at a time, it was made of glass and was not very comfortable. Yet, just one year later, there were reports that both a German physician and a French optician were using contact lenses to correct vision problems caused by optical defects. In fact, the German physician, Adolph Eugen Fick, is sometimes credited with the invention of the contact lens. Fick develop Herschel’s ideas and created scleral contact shells. He then experimented with fitting the lenses on rabbits and then on himself. However, as Fick’s contact lenses were still made of glass, they were very uncomfortable and could only be worn for a couple of hours at a time.

 

Although glass contacts were so uncomfortable, they were the only type of contact lenses available until the 1930’s. That was when polymethyl methacrylate was first developed. This new material led to the advent of the first lenses made of a combination of glass and plastic, which were introduced in 1936 by a New York optometrist by the name of William Feinbloom. Around 1950, an optometrist from Oregon developed the first corneal contact lens. Since corneal contacts were smaller than scleral lenses, they were more comfortable and could be worn for far longer periods of time.

 

These developments led to a vast increase in the use and appeal of contact lenses throughout the 1960’s. Over the years, several significant advancements were made regarding the manufacture and the sophistication of contacts. One such advancement included the development of the first soft contact lens. These soft lenses were made available in some countries during the 1960’s and were first launched in the United States in 1971.

 

Since that time, contact lenses have continued to improve in quality and comfort, and several new varieties of lenses have also been developed. For example, toric contact lenses were first approved for use in the United States in 1978, and the first rigid gas permeable lenses hit the market in 1979. Bifocal and tinted contact lenses became available during the 1980’s while the 1990’s saw the introduction of daily disposable and ultraviolet-absorbing contacts.

 

Clearly, the contact lens has a long history and numerous significant advancements have been made in recent decades. In fact, now people with astigmatism and many other types of eye diseases and vision problems can use contact lenses to see clearly and comfortably. Contacts are also becoming increasingly affordable and are available from a variety of discount retailers such as CoastalContacts.com. Considering the history of the contact lens, advancements in design and manufacturing will most likely continue to occur, making contact lenses even more of an excellent option for correcting all types of vision problems.

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Contact Lens Can Causes Eye Problems

Sunday, May 14th, 2006
Contact Lens
peterhutch asked:

Contact lenses are small plastic discs shaped to correct an eyesight problem such as nearsightedness, farsightedness, presbyopia, or astigmatism. These are called refractive errors. They may also be used by people who have had surgery for cataracts.

Features of Contact Lenses

The lenses are made from different types of materials – soft and rigid – and come in a variety of designs and colors. These include disposable, colored, astigmatic, aphakic, presbyopic and keratoconic lenses. The initial fitting and follow up care are important parts of contact lens usage to give maximum benefits of vision, appearance, comfort and tissue integrity.

An old lens that becomes uncomfortable may be developing deposits on the lens, scratches or nicks in the lens, or problems with the tears lubricating the surface of the lens. People are different with how long a given lens will remain comfortable, and good care of lenses will usually extend the life of a lens. Having to replace lenses frequently due to rapid protein deposit formation or other problems is a good reason to consider disposable lenses.

How to maintain your lenses

Don’t leave your lenses lying around. When not in use, store them in the appropriate container with the cleaning solution. A dusty atmosphere and chemical fumes may damage your lenses, if they are left uncovered.

Utmost hygiene must be maintained as contact lenses come into direct contact with your eyes. Always wash your hands before you handle your lenses.

Daily sterilisation of your lens is a must for soft lens users. Sterilisation refers to cleaning of the lenses with the prescribed cleaning solution, which are sold along with the lenses.

Contact Lens Allergy

A common source of allergy is a preservative found in the contact lens solutions. Thimerasol was used frequently as a presevative in the past, but severe allergic problems developed. Now, benzalkonium choride and EDTA are common preservatives found in contact lens solutions. If one develops an allergy or sensitivity to these preservatives, symptoms of allergy (redness, itching, discharge) frequently develop especially when the lens is first inserted, or when rewetting drops containing these preservatives are used.

Soft contact lens helps in surface disorders by preventing recurrent surface breakdowns and by restoration of optical integrity of the surface. The present study is aimed to highlight the efficacy of high hydrophilic extended wear soft lens in the management of surface disorder.

Have dry eyes or problems with the cornea. People who have Sjögren’s syndrome (a condition that causes a lack of tears and dry eyes) often are not able to wear contacts. People who have chronic or recurrent infections or sores on the cornea cannot wear contact lenses.

The usage of contact lenses may give rise to problems like eye infections, allergic reactions to lens care solutions and deposit on lenses, redness of the eyes, scratched corneas, alteration in corneal shape and structure and abnormal blood vessels growing in the apparently clear cornea. You should consult your eye specialist without delay if there is burning, extreme sensitivity or hazy vision or pain.

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Contact Lens Types

Wednesday, January 25th, 2006
Contact Lens
Bruce Macnaughton asked:

Soft contact lenses have been released in many different formats since they were first developed in the 1960s.

Soft contact lenses were originally designed to be worn for 12 to 18 months and removed nightly. These contact lenses are now called “conventional soft contact lenses”. They are usually prescribed as a specialty lens and are generally used when frequent replacement or disposable contact lenses are not available. They have the disadvantage of being more expensive and tend to accumulate surface deposits. This mode of lens wear requires more diligence with cleaning and care.

Disposable contact lenses were first released commercially in the 1980s. The first disposable lens was the Johnson and Johnson Acuvue contact lens, which was a 2 week disposable contact lens. It was a soft hydrogel lens and was primarily worn on a daily basis. The original Acuve contact lenses has only recently been discontinued. It was designed to be replaced after 2 weeks of daily wear.

Soft disposable silicon hydrogel contact lenses were first available in the 1990s. The first silicon hydrogel lenses offered were the B&L PureVision and Ciba Focus night & Day lens. Both these lenses are approved for one month extended wear. Silicon hydrogel contact lenses have the advantage of greater oxygen permeability then the original hydrogel contact lenses. Approximately 98% of patients are able to wear this type of contact lens. There is however, a slightly increased chance of developing microbial keratitis or corneal ulcer with this mode of wear. Some studies place the risk at one in five hundred per wearing year.

The next generation of silicon hydrogel soft disposable contact lenses saw the release of Ciba Optix O2 and Johnson and Johnson Acuvue Oasys. These lenses have an improved surface treatment, which leads to improved hydration and increased comfort.

More recently daily disposable soft hydrogel contact lenses have become increasingly popular. These lenses, such as J&J 1-day Acuvue Moist and CibaVision Focus Dailies have the advantage of being more hydrophilic and retaining moisture during the day.

Focus Dailies contact lenses contain AquaRelease to improve hydration and are replaced daily, leading to increased comfort from a cleaner lens. Daily replacement lenses also have the advantage of lower complication rates due to the lenses developing less surface deposits and lower infection rates. Obviously a contact lens case is superfluous with this mode of lens wear. Contact lens cases have been found to be a major source of microbes that can cause eye infections.

Contact lenses are now also available to buy online, meaning a faster, cheaper and more convenient alternative in purchasing your lenses. Contact lens wearers should still maintain a responsible attitude to lens wear, and have their eyes checked regularly by their eyecare practitioner. They should also check their own eyes daily for eye infections, by following the “Look OK, See OK, Feel OK” regime. Each morning after inserting the lenses they should check each eye look white, then check the vision in each eye separately, and then blink once or twice and ensure there is no discomfort. If there is any change, they should remove the lenses immediately and consult their eye care practitioner.

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