Varilux Physio Enhanced
Since the introduction in 2006 lens Varilux Physio® enjoyed extraordinary success, worldwide.
Thanks to this revolutionary lens, Essilor has realized a unique advanced technology, allowing users to take advantage of progressive lenses for the first time vision with high definition. The success of Varilux Physio® obliged as a unique vision, which can be compared with the increase of DVD image quality compared to the videotape format VHS.
With the new lens Varilux Physio® 2.0 Concern Essilor offers you a new dimension of vision with high resolution images possible by taking into account a new parameter in the design of the lens: changes in pupil size.
In fact, the size of your pupil constantly changing, depending on such factors as the level of illumination and distance of objects in the field of view. It has a significant impact on the quality of your vision. By using this option, you will be able to appreciate the accuracy of the details at any distance, and optimum contrast, even in low light conditions.
Varilux Physio provides for you:
- Optimal precision parts at any distance.
- Restoring the contrast in all lighting conditions.
- Unsurpassed visual comfort thanks to the latest innovative production technologies.
- The wide field of view, providing an extremely fast adaptation by the lens.
New enhanced progressive eyeglass lenses Varilux Physio Enhanced, made taking into account the technology wavefront and pupil size data, will improve distance vision, in low light and at night due to sharpening and improving contrast sensitivity, providing a more natural perception of the world.
The pupil of the eye expands health or narrows depending on light intensity and distance, which are considered objects. In normal operation of the sphincter of the pupil is influenced by various factors: age, use of drugs, the presence of refractive errors and changes in pupil diameter. Development of eyeglass lenses for the changes in pupil diameter is the most difficult task for manufacturers, because the eye - is a dynamic system, and lens - static device. Using wavefront technology can improve the visual functions of patients using spectacle correction. By increasing the diameter of the pupil (for example, scotopic conditions), there is an increase aberrations, since the light beam enters the eye by passing through a much larger area of the lens surface. The greater the area, the worse the image on the retina. If the lens produces an aberration, it is automatically reduced contrast sensitivity and quality of vision, especially when there is low light.
To evaluate the effectiveness of polarization we conducted the study, which was attended by 9 patients with hyperopia and 21 patients with myopia, whose age averaged 52.9 years. Spherical components of refraction ranged from -6.24 to 3.25 diopters, visual acuity of each eye with a maximum correction - 0.8 and above. Patients received 2 pairs of glasses with a half: one pair - with lenses original Physio, another couple - with reinforced lenses.
After appropriate testing, most patients prefer to use glasses with enhanced polarization like under standard illumination (100 cd / m2) and at low light conditions (25 cd / m2). It should be noted that patients adapt quickly to the use of reinforced Varilux Physio Enhanced, than the lens Physio.
Reinforced Varilux Physio Enhanced provided almost complete preservation of the field (93%) and improving contrast sensitivity in low the light.
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