Multifocal contacts are lenses that can help you see both near and far objects. There are two prescriptions built into the single lens and are intended for patients with presbyopia. Presbyopia occurs when individuals over the age of 40 have...
When small details and fine print become difficult to read or when a person has to hold printing at arm's length to read, he probably needs bifocals. Presbyopia is a condition that affects people beginning around the age of 40 and is corrected by...
Wearing multifocal contact lenses gives individuals the ability to focus through different strength prescriptions, but through the same lens. The technology uses a single lens for each eye rather than multiple lenses. One of the most common types...
Toric lenses are contact lenses prescribed to correct astigmatism. Astigmatism, a common vision disorder, results when light hits the back of the eye in two focal points instead of one spot. Toric lenses redirect the light coming into the eye and...
People who need bifocals no longer have to wear little half-glasses in addition to their contacts. According to the Contact Lens Manufacturers Association, multifocal contact lenses are available in bifocal, trifocal and progressive levels....
Astigmatism is a common vision problem. The cause of an astigmatism is a cornea or lens that is irregular in shape--usually the cornea. An astigmatism may be accompanied by near-sightedness or far-sightedness. You may not even know you have this...
Aspheric contact lenses are a newer design concept, filling a niche for clearer, crisper vision for certain patient populations. From the early days of hard, unbreathable lenses to the highly oxygen-permeable soft contact lenses of today, aspheric...
Toric contact lenses correct astigmatism caused by a slightly irregular-shaped cornea. They differ from regular lenses in that toric contact lenses have two powers: one to correct astigmatism, the other to correct near-sightedness or...
