Toric contact lenses, designed for people who have astigmatism (irregularly shaped cornea), are similar to ordinary soft and RGP (Rigid Gas Permeable) lenses. In fact, the only difference is the shape. Toric contact lenses curve at different angles to accommodate astigmatism, allowing them to cling to your eyes as they move or blink. Removing your toric contact lenses may require some practice in order to get it right.
For contact lens wearers, finding the right lens fit can increase comfort, reduce irritation and improve visual acuity. For those who experience irritation when wearing contacts due to decreased oxygen flow to the cornea, oxyge...
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 mul...
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 r...
When you first get contact lenses, it may seem difficult to remove them. Your eye doctor may want you to show him that you are able to insert and remove them without difficulty. Follow all your eye doctor's instructions careful...
Contact lenses are a convenience that free people from having to wear glasses. However, proper handling and care of your contact lenses is important to keep your eyes healthy and to prevent infections and irritation. It may tak...
More than 38 million Americans wear contact lenses and many wear gas permeable or RGP lenses, according to the American Optometric Association. Gas permeable contact lenses are made from a firm plastic that allows oxygen to get...
Soft contact lenses are the most popular type of contact lens prescribed in the United States. Toric contacts are a type of lens that corrects for astigmatism, a common vision problem. Any type of contact lens may become dried ...
Contact lenses have evolved in leaps and bounds since the first polymethyl methacrylate hard lens was introduced in the 1940s, with newer materials such as silicone-hydrogel offering greater comfort, ease and extension of wear....
However, contact lenses require more than the prescription for correcting vision. The eye doctor must also measure the shape of the eye in order to prescribe the proper fit of lenses. A person should know the effects of wearing...
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 fo...
Whether for comfort or for economy, you may want to change your contact lens solution for a different brand or formula. Contact lens solution is typically made of the same materials, namely salt and water, for every brand, acco...
Contact lenses are primarily used to correct vision problems. Many different types of material are used in making the lenses. Consult an ophthalmologist as to which is best for you.
Presbyopia is a condition that affects people beginning around the age of 40 and is corrected by using bifocals. Multifocal contact lenses work similarly to bifocal lenses in glasses and help a person to see in the distance and...
Prescription contact lenses correct a persons's vision; non-prescription lenses do not change a person's vision but the lenses are still considered a medical device. The Food and Drug Administration requires that any type of co...
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 ha...
Soft contact lenses may be more comfortable than their rigid counterparts, but they can tear easily. Lenses that have a greater water content or that are extra thin are more prone to tearing. Lenses can tear as a result of impr...
Contact lens overwear syndrome occurs when contact lenses are worn for too long. In contact lens wearers, the amount of oxygen that the cornea receives decreases, and if the contact lens is worn for too long, the cornea develop...
Caring for your contact lenses properly is extremely important. Cleaning the lenses with appropriate solutions helps prevent infections, some of which could cause blindness, explains the All About Vision website. Some contact l...
Contact lenses are thin, curved plastic disks that are placed over the cornea, or the outer layer of the eye, for vision correction. According to the University of Michigan Kellogg Eye Center, there are 24 million people in the...
Contact lenses are an effective aid in correcting poor vision, but sometimes they are not the best option. Cost, comfort and convenience can all be issues that drive a person to seek other alternatives. Contact lenses can be p...
Contact lenses can be used to correct visual acuity in people who are nearsighted (myopic), farsighted (hyperopic) and have irregular corneas (astigmatism). According to the Association of Contact Lens Manufacturers, there are ...
Many contact lens wearers have accidentally fallen asleep with the lenses in place, resulting in sticky, sore and dry eyes in the morning. Extended wear contact lenses are now available, which eliminate the risks for many who w...
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 car...
Contact lens prescriptions contain various abbreviations and numbers that can be difficult to decipher if you aren't familiar with their meanings. Your prescription will tell you exactly what is wrong with each eye and what you...
The supplement company Pflueger has a detox system available known as the Derivato Detox Remedy. Each bottle of the product contains 100 tablets and can be purchased through online and retail nutritional supply stores. Ingredie...
The resulting distortion in one's vision is much like looking in a wavy mirror. Toric contact lenses compensate for this abnormal curvature with an extra curvature of their own. Instructions for wearing Toric lenses are almost ...
Contact lenses rest on the cornea, the curved membrane that covers the iris, the colored section of the eye, and the pupil. Because the cornea sometimes becomes dry, contacts can stick to the surface and be difficult to remove....
They are worn primarily to provide vision correction for several eye problems. Contact lenses are often chosen as an alternative to eyeglasses because they may be more aesthetically pleasing or convenient, especially in situat...
Without the prescription, you cannot, by law, obtain your lenses. You can, however, obtain your prescription from your eye care provider and then choose where you want to buy your lenses. Whether you are just considering contac...
As a person ages, the muscle surrounding the cornea weakens, so the eyes are not able to focus as clearly. For this reason, a prescription contact lens in the form of bifocals is provided by a physician. These bifocal contact l...
Focus contact lenses include the DAILIES line produced by Ciba Vision. DAILIES are disposable lenses designed to wear for one day. Focus contacts also are available in weekly or monthly disposable versions. The lenses are made ...
The retina is the portion of the eye that transmits images to the brain. Much like eyeglasses, contacts work to re-focus the light onto the retina, resulting in a clear image.
One common problem experienced by many contact lens wearers is eye infections. These are often bacterial, viral or fungal in nature, with some infections being more serious than others. Infections can occur when users routinely...
Contact lenses are a prescription item used to correct vision problems. A contact lens prescription contains more information than an eyeglasses prescription, because the measurements of the eye are very important when fitting ...
Contact lens wearers understand the importance of cleaning their lenses on a daily basis. Disinfecting their eyewear extends the life of the contacts and reduces the risk of developing a potentially dangerous eye infection. A c...
Many people are able to make the transition to contact lenses without much difficulty. Applying contact lenses isn't difficult but may require practice. Some people develop their own techniques to accommodate specific circumsta...
Contact lenses are clear, curved plastic pieces that are placed on the eye to correct vision problems. The lens is placed on the eye's tear film, which is in front of the cornea. Both near and farsighted vision problems can be ...
Contact lens cleaning solutions are essential for contact lens hygiene, but they can cause problems in select individuals. Problems are caused by sensitivities to the cleaning solutions or to improper use of the solutions. Reac...
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 t...
There are daily disposable soft lenses and lenses that can be worn for two weeks or a month at a time. Some can be kept in for 24 hours. With the many different types of lenses comes different side effects, ranging from mildly ...
A contact lens is a thin piece composed of various plastics placed directly over your pupil to correct nearsightedness, farsightedness or astigmatism. There are many different types of contacts, including Toric (for astigmatis...
