Extended wear contact lens are lenses that may be worn in an extended period of time unlike the daily wear contact lens.  The Food and Drugs Administration approved these extended wear contact lenses, without removal for up to seven days. 

New innovations to extended wear are being developed.  A newer type of soft contact lens material, the silicone hydrogel is so permeable, meaning they allow more oxygen to the cornea; the FDA approves them to be worn for a month without removal.  This type of lens is called the continuous wear”. 

During its introduction, a lot of eye care practitioners are unconvinced of using extended wear contact lens because it increases incidents of eye infection, especially to those who wear it overnight.  Extended wear contact lenses poses a hazard to the eyes because of the organisms might be lodged on the lenses.  Micro organisms thrive in warm and moist environment and the cornea is the best place for them as oxygen does not penetrate the area well whenever a contact lens is worn.  It may only start as pink eye but if it is left untreated it may lead to serious conditions like blindness. 

Because of the growing popularity of the disposable contact lens, extended wear contact lens is making a comeback.  The reason that people acquire eye infections is after they take off their extended lenses and despite cleaned with contact lens solution it was impossible to remove all the proteins and lipids and other deposits accumulated on the lens.  The contact lenses becomes a breeding ground for bacteria and whenever the individual wears the lenses again, it could cause infection and inflammation of the eyes. Today, the contact lenses are disposed after use and never to be used again, avoiding infection from contaminants. 

Aside from improper cleaning and disinfecting, the lifestyle you are living may also cause infection in the eyes.  Make sure to avoid exposure to smoke, wearing the contact lens when swimming because this may also leas to serious complications due to infections.  You must ask an eye doctor whether an extended contact lens is appropriate for your needs.

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Rigid gas permeable contacts (RGP) is another term for gas permeable contact lens.  This type of contact lens is complementary to the soft contact lens. RGPs were introduced in the early 70s by way of silicone rather than polymers. Since the eyes need oxygen, this is a better fit than PMMA because this polycarbon does not allow oxygen to pass through. On the other hand silicone is oxygen permeable, which will result to a greater comfort and eye health.

Gas permeable contact lens is harder to get used to compared to soft contact lens.  The benefits however outweigh the consequences. What’s great about a gas permeable contact lens is that it retains its shape when a person blinks.  . They are extremely durable.  A gas permeable contact lens is tougher than a soft contact lens because it only breaks when someone steps over it while the latter tears easily.  Another benefit of gas permeable contact lens is they are made of materials that don’t contain water so proteins and lipids from the tears do not stick to the contact lens.  The odds of suffering from eye irritations, infections are very low compared to the soft contact lens.  The best benefit of gas permeable contacts is that they allow oxygen to pass through the corneas.  This avoids inflammation of the cornea and other serious eye complications. 

Most people prefer using gas permeable contact lenses even if they have different problems.  Astigmatism, presbyopia, and keratoconus are among those ailments.  A person suffering from astigmatism might opt for this because it provides a desirable acuity.  Others who are afflicted with presbyopia prefers gas permeable contact lens because of its multi-focal designs.  On the other hand, people with keratoconus use these lenses because it prevents extreme visual distortion.  Since people with dry eyes blink less, a gas permeable contact lens is recommended.  Gas permeable contact lenses are also being utilized by people who use the computer often. 
Gas permeable contact lens requires more care since they last longer than soft contact lens.  Before deciding what type of lens to wear, always take time to consult a physician to determine if a gas permeable contact is the right contact lens for your condition.

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A good contact lens solution is essential to keep your eyes from irritation because of prolonged use. A contact lens solution is used to clean, maintain, and extend the life of your contact lens. 

For a clearer vision and comfortable wear, a contact lens solution should be able to clean your contact lens thoroughly.  There are several types of contact lens solution available in the market.  A person using contact lenses should know what’s the appropriate solution for their contact lens.

The type of contact lens solution that takes off dirt, mucus and debris that accumulated in the contact lens while in use is called a cleaning solution.  The wearer usually rubs their lenses with caution to avoid breaking the lenses.  Hydrogen peroxide is typically used in this type of solution.

This second solution should only be used after the first solution.  Saline contact lens solution will rinse off the first solution from the lenses.  This is to neutralize the effect of the hydrogen peroxide contained in the cleaning solution. 

The purpose of the third contact lens solution is to disinfect the lenses.  This solution kills and inhibits bacteria, fungus and other harmful microorganisms that stay on the lenses and can irritate and infect the eyes.  An enzymatic cleaner can remove substances like protein.  This solution is in a tablet, it is dropped to the solution and kept overnight.

There are also multi-purpose solutions, it is generally an all-in-one solution.  The cleaners, disinfectants and protein removers are mixed into one solution. All it needs to counteract the solution is the saline solution used after the contact lens overnight. 

Finally, a rewetting solution is used.  If the lenses are being used for long periods of time, these drops are used as a lubricant.  This solution help in maintaining the lens comfortable to wear as it keeps moist in the lenses.

As a final note, all contact lens solution should be discarded after the date of expiration, and always heed the advice of the ophthalmologists regarding contact lens usage and maintenance.

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Contact lenses can be used for different purposes, it can either be as an eye correction lens, for cosmetic or restoration function.  Typically a contact lens is placed in the cornea.  Most people buy contact lens because it is more favorable in terms of comfort and cosmetic purposes.
If one is planning to buy contact lens, the first thing one must do is to consult an ophthalmologist or optometrist.  A person must undergo an eye examination before purchasing a contact lens to diagnose whether the eyes is suffering from ailments like myopia, hyper-metropia, astigmatism and so on.  This is the only time a buyer can buy contact lens, because the doctor might prescribe what contact lens he or she should wear.  Would the buyer prefer soft lens or would the buyer opt for hard lens.  Before buying, it’s better if you can get a valid prescription from an ophthalmologist or optometrist.

Most of the time people are inclined to be impulsive when they buy contact lens.  These contact lenses have different purposes this is why most people make mistakes in purchasing a pair.  Purchasing contact lens is a function of an individual’s choice and requirement.  The most important thing to consider is that the contact lens should fit comfortably to avoid eye sores, inflammation and abrasions.

Before one decides to buy contact lenses, one must be certain that the contact lens addresses the problem that has required the buyer to wear them.  A contact lens should be of correct prescription an has to fit the center of the eye properly, of course slight movement should be possible whenever the eye blinks.
 
Lastly, if you plan to buy contact lens, always ask the consent of an ophthalmologist and optometrist even if they are for cosmetic purposes, because they may recommend a brand that might suit your lovely eyes. One must only buy contact lens that are approved by FDA as a precaution and this will avoid possible irritation caused by phony contact lenses.

When purchasing contact lenses, it is important to judge the product carefully and exercise caution.  Being too careless about buying a contact less may cause serious eye injuries, this is why it is of utmost importance to review and discern a product properly because we do not want to hurt the most important part of our face.

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Before, people with dry eyes are discouraged to wear contact lenses because this would make the symptoms turn for the worse. It’s a wrong impression because dryness also occurs for the normal contact lens wearer. Advance technology has been a great help for people with dry eyes, because now they can wear contact lenses. With the new types of lenses available and lens care products, they can also wear them for long periods of time.
The contact lens fro dry eyes tries to make sure that it won’t cause corneal scars and damage to eye tissues. Failure for the eyes to produce tears leads to instability of the tear firm and undernourishment. In view of this, manufacturers continue to research and improve on contact lens for dry eyes. They would experiment and develop new materials like polymers and gels that is known for water retention.
Contact lenses for dry eyes are composed of special compounds with a function of checking dryness and other purposes. Silicone hydrogel controls the water buildup and gives a soothing and comfortable feeling to the eyes. It provides moisture despite having lesser water.
Silicone hydrogel lenses are composed of materials that yield high oxygen permeability, allowing more oxygen to flow to the cornea.
There are also new polymers that are developed to address the dryness problem. Manufacturers that invest on polymers have developed Omarifilcon A for contact lens purposes. It is specifically designed to fit comfortably and adjust to the characteristics of the eyes.To keep the lens moist and comfortable, soft contact lenses are mad of hydrophilic polymers. This will allow your eyes to be properly hydrated.
The best contact lenses for dry eyes is a rigid gas permeable lenses. It does not dehydrate the eye because this type of contact lens of rigid plastic. The plastic that makes up gas permeable lenses is oxygen permeable.
It is always wiser to visit an eye practitioner for diagnosis to check if you have dry eyes. If the doctor allows you to wear contact lens for dry eyes, make sure you follow the instructions to the fullest to avoid eye complications.

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Cosmetic contact lens grew popular because of colored lenses.  Colored lenses is not only made for superficial purpose but it can actually be worn to correct vision.  It may entice people by changing the color of your eyes but its only an added feature because cosmetic contact lens are not any different from the normal contact lens. 

There are different types of cosmetic contact lens.  One is a visibility tint, usually a very light tint colored light blue or green.  The only added feature in this lenses are the color, it can subtly change the color of your iris and with the tint you can easily distinguish the contact lenses when removing it.  This is meant for convenience than for changing eye color.

Another is the Enhancement tints, these are cosmetic lens that is usually darker and solid yet translucent tint than the visibility tint.  Individuals use this cosmetic contact lens to enhance their eye color.  A more intense effect in their eyes is achieved when using this cosmetic contact lens.
The next type of cosmetic contact lens is opaque tints that can drastically change eye color.  It is available in a wide variety of colors and basically made of solid patterns of colors.  Opaque lenses completely replace the natural color the eyes with the color of the lens, this is due to the fact that they are not transparent.  Most people use this because of cosmetic purposes, to change the color of their eyes.

Light filtering tints are another type of cosmetic contact lens.  It is the current advancement in the technology of cosmetic lens.  It is practically made for sports use, it can mute some colors and enhance specific colors, for example the color of a tennis ball or a baseball.  Because of this technology, the ball is more prominent than the backdrop that gives the hitter greater chances of targeting the ball.

Now, you should be reminded that if you plan to use these cosmetic contact lenses, its best to ask an ophthalmologist or optometrist for advice. Optometrist and Ophthalmologist will make sure those contact lenses suits you.  They may also aid in fitting the contact lens to avoid eye irritation or infection aside from diagnosing if you need prescription for your cosmetic contact lens.

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Disposable contact lenses are made to wear for only a certain period and must be replaced after the date of prescription.
Millions of people have been using them. Doctors and consumers have been employing them for health and convenience.

Disposable contact lenses can be determined by the frequency of their uses. The term of replacement of disposable contact lenses, ranges from one day to two weeks.
For monthly replacements, take a look at frequent replacement lenses, while for the traditional users, reusable lenses are made to last for six months and longer. Disposable contact lens can also refer to one-day disposables, or contacts that can be discarded after one day of use and replaced the next day. Despite the numerous benefits it offers, people really prefer them for their convenience. Cleaning and or disinfecting them are not a problem.
Once the lenses are taken off, it’s time to discard them. Since the lenses are replaced every time, the wearer always has a fresher, cleaner and sterile lens.

Disposable contact lens are healthier and more comfortable because even if there are accumulation of deposits due to tears. This deposit makes the lens less comfortable to wear and they can make the eyes prone to infection.

Have a comprehensive eye examination performed by a doctor to check if you are fit for disposable contact lenses. Make sure to check the leading brands and always follow the instructions when it comes to replacing them.

Finally, always dispose of disposable lens. Once they are taken off, do not reuse them. Don’t extend the life of the lenses, by wearing them over the prescribed time, it may cause complications later. Consult your eye doctor if your eyes are irritated and become sensitive to light.

Disposable contacts are convenient and comfortable, thanks to technology. Check what brand conforms to your needs with your doctor.

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For those who wear hard and gas permeable contact lenses, it is essential to own a contact lens remover.  These lenses are occasionally hard to remove with the typical “popping out” method.  Hard contact lenses tends to stick to the eye firmly by suction to the cornea.  This is where the contact lens remover comes in. If a person often lose and asks for new prescription for a contact lens, optometrist or ophthalmologist recommends buying a contact lens remover.

If you know how to properly use a contact lens remover, taking off a hard contact lens will be easy as 123.  The first step is to make sure the contact lenses are in your eyes before attempting to remove them.  People who forgets that they are not wearing any contact lenses often injure their eyes by poking a contact lens through it.  Look at a mirror first and check if you have contact lenses on. 

If you are certain that you are wearing a contact lens, place a drop of rewetting solution on both your eyes to lubricate the lenses.  Moisten the suction cup of the contact lens remover with a drop of rewetting solution. 
 
The next step is quite tricky but once you get used to it everything will be easy.  Place the contact lens remover directly and squarely on the front of the contact lens.  The lens will attach to the plunger at this point. Pull the plunger gently away from the eye.  The lens will come out quickly, follow the same method to remove the other contact lens.

Remember to avoid direct contact of the lens remover on the surface of the eye because it may cause corneal abrasions and other eye infection.  One more thing, do not use a contact lens remover if you are using a soft lens.  Add a few more drops to lubricate the lenses if you are still having a hard time removing them.

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An eye ailment resulting in blurred vision is called astigmatism. It is caused by the non-symmetry between the shape of the cornea and the lens of the eye. The cornea is in an oblong shape resulting in loss of vision. In astigmatism, there is a difference in curvature in the various medians of they eye.

Using myopia and hyperopia, there are five types of astigmatism. The first is simple myopic astigmatism where one meridian is myopic while the other is free of hyperopia and myopia. Compound myopic astigmatism has both nearsighted meridians, and one of which has a worse case of myopia. The other is called simple hyperopic astigmatism where in one meridian is farsighted while the other is free of both myopia and hyperopia. Compound hyperopic astigmatism deals with both meridians that are farsighted with one meridian having a worse case compared to the other. Mixed astigmatism deals with both meridians having opposite effects, one is myopic, the other hyperopic. Astigmatism can be easily treated with contact lenses. They lens that is referred to treat astigmatism are called “Toric” contacts. They are made from same material as regular contact lenses; so they can be either soft or regular gas permeable. The two-tiered treatments of toric lenses are to deal with astigmatism and either myopia or hyperopia. It also takes into consideration the blinks and eye movements of the user.

Before purchasing astigmatism contact lens, better consult your eye doctor for fitting and prescription. The doctor may utilize high-powered spherical soft lens to deal with astigmatism. This fitting process deals with trial and error for both patient and doctor.

Astigmatism contact lens is available in the market, and manufactured by leading companies. Better have your eye check with a doctor so he or she can recommend a good brand for you. Toric contact lenses come in the form frequent replacements, disposable and daily disposables.

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