Toric contact lenses for Astigmatism
With normal vision in one eye the cornea to have a perfect circle, while the shape of a corneal astigmatism of the football. Astigmatism contact lenses can be diverted light into the eye, so that th...
With normal vision in one eye the cornea to have a perfect circle, while the shape of a corneal astigmatism of the football. Astigmatism contact lenses can be diverted light into the eye, so that they form a sharp image on the retina. A torus contact lenses combine the characteristics of cylindrical and ball, which means it has two large countries, a correct astigmatism, and a near-or farsightedness.
Because of its two different kinds of power, a torus contact lenses must remain in place, regardless of eye movement. Because of this, it has a definite up and down the thick, heavy bottom. In terms of weight, and flashing eyes, to maintain a thicker part of the lens down.
Like most other contact lens, Torus lens can be used as soft or hard-permeability (JAVA strategy) lenses, and extended or daily wear. Those who want to enhance their eye color can be colored toric lenses of a variety of colors. And soft toric lenses is the popularity of the torus lens JAVA strategy, mainly because of its comfort and the fact that they are an easier habit, rigid gas permeables has its advantages, retain their shape of the cornea and thus provide a more good minor clear vision.
Rigid gas permeables is very durable, cost-effective, but some people find it difficult to habit. They are not suitable for sports activities, compared with soft lenses such as soft contact, adhere to the eye and will never fall off. Has only a slight astigmatism, but toric lenses may not need, in this case is due to JAVA strategy for contact lenses are often better suited to their abilities to meet the cornea.
This is a very common one eye astigmatism torus with only one lens, and a normal spherical contact lenses. Need to wear reading and distance vision correction astigmatism tomorrow apart from the lens focus ring plane.
Astigmatism is a genetic condition, but young children rarely complain, until they began to fight, school work, because they often do not realize that there is something wrong with their vision then before. This situation is not dangerous, but most people can easily find the vision correction method suitable for them perfectly.Astigmatism contact lenses are more expensive than other manufacturers for lenses and a little more complex. This means that they are more expensive to buy. However, many who wear toric lens that is the best corrected visual acuity of choice because they are surrounded, in most cases to provide clear, comfortable, almost perfect vision.
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