Help in creating installation “Steve Jobs – Ayn Rand” David Datong helped Sino-American artist Alex Gufeng Chao. This installation – a continuation of a series of portraits of key personalities of our time. Portrait of Steve Jobs created over thousands of optical lenses, in turn, created a set of thumbnail images of Ayn Rand, the world-renowned philosopher and founder of the theory of objectivism. In Ukraine, Ayn Rand is known primarily as author of “Atlas Shrugged.” Jobs for this book was a desktop. (more…)
Posts belonging to Category Contact lenses
World Wide Web has information that a group of researchers from the University of Washington is working on a translucent mini-diodes, which are soon to be introduced in contact lenses. This e-filling can make contact lenses in the mobile phone display or, more simply, in the TV for an eye. (more…)
In the case of teenage children are no issues with respect to independent use of contact lenses does not arise. But what if the parents choose contact lenses as a means of correcting their very young children?In this case, the main contribution to safe contact lens wear is made by an expert on the selection of lenses and the child’s parents.First during the selection must take into account a number of features: for example, the mobility of the lens in the eye of the child should be slightly smaller than an adult, respectively, the lens should be fitted to the cornea in a child is denser than in the adult, in order to avoid its loss from the eye and loss.It is important not to forget to instruct both children and their parents regarding the use of contact lenses and care for them. (more…)
During that can respond to contact lenses such characteristics as biocompatibility? First of all, for that lens is not perceived by the eye as a foreign body, causing discomfort or causing any harm to health.All major manufacturers of contact lenses somehow tend to give their development biocompatible properties. One of the most striking example is the family of hydrogel lenses Proclear Cooper Vision, produced by PC-technology.The essence of this technology as follows: in the lens material is added to the synthetic Phosphoril Choline, completely identical to the natural, part of the membranes of human cells and responsible for their biocompatibility.
Contact Lenses Cooper Vision Proclear 1 day.The presence of a family of lenses Proclear Phosphoril Choline supports their humidity at a constant level and provides a high resistance to dehydration.In light of these and other properties of these lenses Office of United States Food Inspection, medicines and cosmetics (FDA) recommends them for use in pediatrics, as well as for the appointment of persons experiencing discomfort and symptoms,associated with dry eyes when wearing contact lenses. (more…)
One of the most important characteristics of contact lenses, affecting the safety of wearing them is the transmission rate of oxygen to the cornea (Dk / t). Today in the optical market availability of advanced silicone hydrogel lenses, which have a high value of Dk / t and do not cause any discomfort when wearing.In particular, such lenses is an updated version of the first commercially available silicone hydrogel lenses Pure Vision company Bausch + Lomb, which is essentially a new silicone hydrogel lenses with the same title.Pure Vision lenses have high oxygen transmission rate – 110 Barrer / cm. With aspherical design of the front surface of the new lenses Pure Vision practically eliminate spherical aberration, thereby improving the quality of vision. The lens also has become much more comfortable – due to the improved smoothness of the surface and a lower modulus of elasticity, which decreased by 28%. (more…)
Yet the absence of injury – this is not all that includes the issue safe wearing contact lenses.Moreover, the likelihood of injury is not as crucial in assessing the health safety, the likelihood of complications and diseases that could result from this type of vision correction, which may be due to low transmission of oxygen to the cornea,lack of stability to the sediments and the low wettability of the lens surface.In order to assess the following factors associated with safe wearing of contact lenses, imagine this situation: the family is sent in the evening in a car for shopping or at dusk returning home after the weekend, a nice outdoors.And here an important role in whether contact lenses are safe for family members in this situation, play their optical characteristics and design of which depend on the degree of visual acuity, for example, that a family member who has a car, at any time of day and night, in any light. (more…)
Family well-being is made up of many factors, such as a complete communication, wholesome common recreation, reasonable care for the health of all family members.With all of this plays an important role good vision and, hence, in many cases – and the selection method of vision correction, which would allow children and their parents to see life in vivid colors, not limited to members of the family in the selection of joint leisure and, of course, is not represented threats to their health.It is optimal in these respects are contact lenses? Can the whole family to choose them as a safe and convenient means of vision correction? Let’s see.
Make a choice in favor of contact lenses family may, for example, from aesthetic considerations.Adults may be for one reason or another do not want to wear glasses – perhaps they think that their old glasses or undesirable effect on their image in the eyes of friends and colleagues. (more…)
American teenagers have become active wear such contact lenses, shortly after the clip Bad Romance. In this clip, the singer’s eyes huge and bright through special lenses.Immediately after entering the clip manufacturers of contact lenses from Asia thrown into the market their products – a lens with a magnifying effect. Such lenses are classified as scleral. They hide part of the protein shell of the eye (sclera). Because of this pupil of the eye looks noticeably bigger.The lenses were not approved of the federal agency the U.S. health care. Therefore, their sale in the United States is illegal. But admirers of Lady GaGa buy Scleral lenses over the Internet. (more…)
Those who come to the doctor or optometrist to pick up contact lenses, often in need of correction, not only of myopia and hyperopia, and astigmatism of one or both eyes.On the need for correction of astigmatism, toric contact lenses are a strong reminder to all in the specialized literature. And gradually, physicians are beginning to apply them in their practice.According to recent research conducted by the journal Contact Lens Spectrum, in 2009, the number of rebounds toric lenses was 10% of the total selection of contact lenses worldwide.In the optical market specialists is available a lot of toric contact lenses that can provide patients with astigmatism greater opportunities for choice of leisure and sports hobbies.Some of them – Toric biocompatible contact lenses Proclear Toric monthly replacement company Cooper Vision.The production of these lenses uses a unique PC technology that allows linking of hydrogel polymer with phosphorylcholine, which provides the perfect eyes moistening, and superior comfort even in the dry atmosphere and constant eyestrain. (more…)
User-day contact lenses do not have to spend time paying attention to the care of lenses, and he has absolutely no reason for concern about the lipid and protein deposits on their surface.If you use contact lenses of any other modes of wear should be thinking about effective methods of disinfection of lenses, such as after swimming in a closed or open water.In addition, you must remember to remove from their surface sediments, which otherwise may lead to discomfort, deterioration of optical characteristics of lenses and other problems. And with a one-day lenses, everything is much simpler: removed the old couple, say, after swimming, put on a new – and no worries!Currently, almost all the leading manufacturers of contact lenses produce a one-day lenses, and those users who choose them, do not deprive themselves of any benefits of planned replacement lenses. In the one-day lenses today embodies the most advanced in contact correction of vision.This is easily seen with specific examples. Not long ago, the company Johnson & Johnson Vision Care released the world’s first silicone hydro-gel contact lenses daily replacement of a-Day Acuvue TruEye, which has developed a unique technology Hydraclear 1possible to introduce a greater volume of moisturising component in the structure of the lens material to create an ultra-smooth and wet contact lenses. (more…)