Designs of multifocal contact lenses
People in mid-ages are more active than their counterparts several decades ago. A large number of people above 40 still participate in biking, jogging, exercising and playing sports regularly. Presbyopia is quite common among people above 40, so that multifocal lenses are needed. But for these active sports, multifocal eyeglasses are inconvenient.
More...Advantages of contact lenses
A recent study involving children age 8 to 17 shows that more than half of these children are interested in contact lenses, a third of whose parents are not reluctant to consider contacts for their kids. There are also 40% of children who dislike wearing noticeable eyeglasses. Parents’ concerns are associated with lens care.
More...What we should be aware of contact lenses
Usually caused by allergies and dry eye syndrome, chronic red, bloodshot eye is a common symptom among contacts wearers. These people should visit an eye doctor to get a proper exam and receive appropriate treatment. Another problem is that the eyes may weaken even after a long period of lens wear and stable vision.
More...Silicone hydrogel contacts for up to 30 consecutive days
Conventional hydrogel soft contact lenses can transmit only a limited amount of oxygen to the eyes so that their extended wearing period is also limited to only seven days. The invention of silicone hydrogel contacts changes this situation forever. Its material silicone lets six to seven times more oxygen to reach the eyes and the continuous wearing period is been extended into 30 days.
More...Rigid gas permeable contact lenses caring system
Rigid gas permeable contact lenses feature sharper vision, longer replacement interval, and more deposit resistance. Even with these advantages, RGPs still need regular cleaning and replacement as your doctor demands.
More...Three types of colored contact lenses
Colored contact lenses are available in toric, bifocal and disposable types. Actually, colored contacts use three types of tints: visibility tint, enhancement tint and color tint. Light blue or green visibility tints are used to make contacts more apparent while you putting them on or removing them off. Unlike a visibility tint, an enhancement tint intensifies your eye color slightly using darker colors.
More...Reasons for contact lenses discomfort
Contact lenses are not always comfortable for every one. In fact, about a half of contacts wearers have ever suffered from discomfort, so that they may discard them forever. Discomfort of contact lenses may happen when your eyes do not feel well, look good, see well, or just have a minor irritation. You should always visit your doctor and never be afraid to tell him your eye problems. Otherwise, these discomforts may lead to more serious vision problems.
More...Prosthetic contact lenses for disfigured eye
As their name suggests, prosthetic contact lenses are created to decorate disfigured eyes. They either mask eye flaws by trauma and eye diseases or block excess light for abnormally functioning eyes. Prosthetic contacts can provide a healthy eye appearance using custom-painted colors. They have no special difference in materials and care methods with regular contact lenses.
More...Must-knows about contact lenses
Contact lenses provide fashion expression and a complete vision field suitable for sports without apparent eyeglasses, and eliminate the need for irreversible refractive surgery. Among vision correction ways for myopia, hyperopia and astigmatism, contact lenses have gained a 20% share in US.
More...Wearing contact lenses for prolonged time
According to wearing schedules, contact lenses have two types: daily wear and extended wear. The difference lies in that extended wear requires no removal before sleeping so that they can provide a clear vision as soon as you wake up. Extended wear contacts are designed to permit more oxygen on the cornea, which should get prior approval from FDA. While most extended wear contact lenses are made for continuous seven days wearing, silicone hydrogel-made ones can last up to 30 days without removal. This type is also available in RGPs. Thanks to technological improvement; extended wear contacts are comfortable during the full time period.
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