Contact lenses are sensitive pieces of eyewear--they are made of thin pieces of silicone and need to remain hydrated in order to be used in the future. While most contact lenses do have an expiration date, they can be purchased in bulk by...
Contact lenses are most often used to correct vision and are frequently used as a replacement for glasses. These lenses fit over the cornea of the eye and are designed either for long-term or short-term use. They may be labeled as "hard" or "soft"...
For contact lens wearers, dry eyes can make it difficult to enjoy their contacts. The condition often is uncomfortable and frustrating. It's possible that your contact lens solution is to blame for your dry eye problems. However, since there are...
Hard contact lenses, also known as Rigid Gas Permeable lenses, are made of a hard plastic that allow oxygen to reach your eyes. Hard contacts do a better job of correcting some vision problems than soft lenses. When you first receive your hard...
Making the transition from glasses to contacts may take some practice as you learn to properly care for your new lenses. With help from your optometrist, you can learn more about the care needs for the specific type of lenses that you use. Most...
You rely on your contact lenses to provide crystal clear vision that you can wear daily. However, contacts require careful maintenance to prevent protein buildup. Proteins are naturally found in your tears and can bind to your contacts, according...
A hard contact lens, also known as rigid gas permeable contact lens, requires special care for cleaning and disinfecting. The contact lens needs cleaning daily when worn. Proper cleaning and disinfection is required to maintain healthy eyes and...
The concept of wearing lenses in the human eye was considered as far back as the 1400s by Leonardo da Vinci. Dr. Gary Heiting, writing for All About Vision, states that the first glass contact lenses were produced in 1887 or 1888. Since the...
Protein buildup is a common problem with soft and hard contact lenses. Buildup can usually be seen in the form of white or cloudy marks on the surface of the contact lens, which causes blurred vision and discomfort. With proper care and use of...
Choosing and using the right contact solution for lenses is crucial for the health and safety of your eyes. The University of Michigan's Kellogg Eye Center notes that contact lenses must be cleaned and disinfected properly to remove germs and...
Hard contacts lenses, also called rigid gas-permeable, are small and made of a stiff plastic material. The lenses fit directly over the cornea and correct vision and astigmatisms. There are two methods used to insert hard contact lenses into the...
With the help of a qualified vision professional you can easily consider your options for soft contact lenses. The Mayo Clinic points out that soft contact lenses are a great option for the active individual. This is due to their ability to stay...
Single use contact lenses are convenient because they require no care or cleaning, and you can wear them as frequently or infrequently as you like. You can open a new package whenever you want to wear contacts, and throw the lenses away at the end...
Contact lens solution is not always readily available when it is time to remove, clean and store your contacts. Though products designed specifically for contact lens care are ideal for cleaning and storing contacts, you may use other products in...
Contact lenses are thin plastic discs worn over the cornea. They are beneficial for correcting eye conditions such as myopia (near-sightedness), hyperopia (far-sightedness) presbyopia (aging eyes) and astigmatism (distorted vision). According to...
Of the 24 million Americans who wear contact lenses, about 80 percent wear soft lenses, according to the Ohio State University Medical Center. Most contact lens wearers continue to wear their lenses until they become torn, painful or lost. There...
Contacts help millions of people enjoy better vision without the bulk and inconvenience of wearing glasses, but that doesn't mean contacts are without problems. Understanding the proper care and maintenance of contact lenses as well as the risk...
Protein buildup on the eye is a common problem associated with the use of soft and hard contact lenses. Excessive protein on contact lenses can lead to the formation of cloudy or white-colored marks on the surface of your contact lenses. As a...
While contact lenses are designed to enhance your vision, they can also cause problems with your eyes. Dry eyes and irritation are common issues that occur in contact lens wearers, according to the American Optometric Association. Lubricating...
Acanthamoeba is a microscopic organism that has been found in everywhere in the environment. It has been found in hot tubs, swimming pools and tap water; these places are the most common places that the eye would come in contact with the organism....
Colored contact lenses, whether you've chosen them to correct your vision or just to change your eye color, are regulated by the Food and Drug Administration (FDA). The FDA recommends that you use the same hygiene measures to care for colored...
Taking proper care of contact lenses can mean the difference between a comfortable day and a day of itchy, irritating eyes. Hydrogen peroxide is one type of cleaner for contacts. It removes minute particles and bacteria that have built up...
Wearing contact lenses can be more comfortable if you clean them regularly. Visual acuity is better as well. Cleaning solutions help to remove dirt and protein deposits from the surface of the lens. There are many different multipurpose solutions...
Permeable gas contact lenses, also known as GP lenses, rigid gas permeable lenses and oxygen permeable lenses hit the market in the late 1970s. Unlike hard contacts that do not allow the eyes to breathe, permeable gas contact lenses allow oxygen...
Contact lens prescriptions must be obtained from an eye care practitioner, either an optometrist or an ophthalmologist. Even if a patient already has a prescription for glasses, additional tests and measurements are required for proper lens fitting.
Contact lenses are supposed to improve your vision -- not make it worse. If your contact lenses seem smudged and dirty, you may be mishandling your lenses, wearing them too many hours each day, not cleansing them properly, or, in the case of...
Wearing contact lenses give some people the much desired freedom to wear sunglasses or participate in sports without glasses obstructing their view. However, contact lens use requires care and periodic follow-up with an eye care professional....
The Opti Free Contact Solutions line is made by Alcon, a company that has specialized in eye-care products since 1945 and is among the world's largest producers of contact lens cleaning solutions. Alcon's Opti Free Multi-Purpose...
Acuvue 2 Colours contact lenses are prescription lenses manufactured by Johnson & Johnson Vision Care. These contact lenses are available with vision correction or without vision correction so that they may be worn solely to change the color...