Guide to Contact Lenses

Contact lenses for astigmatism compensation: Astigmatism can be caused by either hereditary or environmental reasons. While some forms of astigmatism are not explainable, most types are clear. People who move eyes in a single direction a lot, those with lower socio-economic status, poor diet are more likely to get astigmatism.
More...

Problems we may encounter with contact lenses: A competent eye care practitioner is critical to offer proper lens fitting. Some contact lenses wearers worry about the appropriate position of their lenses. In fact, wearers should only put their lenses straight on the cornea. And well-fitted lenses will always stay in the right position as the eyes move.
More...

Primary knowledge of astigmatism contact lenses: Toric contact lenses for astigmatism correction are available from various brands, with specific materials, designs and features. In general, toric lenses are designed to maintain stable on the cornea. However, a small portion of toric lens wearers may experience lens rotation, which is surely to affect vision quality.
More...

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...