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The article focuses on the benefits of the single vision free-form (SV FF) lenses and also discusses optical evolution of single vision lenses. Topics discussed include use of Punktal lenses for correction for both power and astigmatic errors across a 60-degree field of view (FOV) developed by optical scientist Moritz von Rohr, ability to optimize cylindrical prescriptions and a checklist to use for evaluating when to use single vision free-form lenses. INSETS: CAN THE HUMAN EYE REALLY SEE A HUNDREDTH OF A DIOPTER?;THE PROBLEM WITH UNDERSTANDING PANTOSCOPIC TILT.

The article focuses on the progressive lens industry, with topics that include the success and important nature of progressive lenses to the ophthalmic industry, its imperfections, and the changing technology.

The article offers information on the evolution and progresses made in lenses, and mentions the use and advantages of bifocal and multifocal lenses in the present era as compare to progressive lenses.

The article discusses advancements in progressive lenses and mentions topics including the popularity of progressive lenses as fashion accessories, benefits of progressive lenses as sources of income for optics businesses, and the role of the lenses in promoting eye-brain coordination.

The article focuses on the annual L&T Lab Usage Survey conducted by the journal in 2013. According to the survey, 47 percent of eyecare professionals (ECPs) use online methods to order products, 46 percent of ECPs prefer price ranges for progressive lenses that cost above 250 U.S. dollars and 51 percent expect to do more business with wholesale labs. It also mentions that 46 percent of respondents rated their primary laboratories as having excellent product delivery.

The article evaluates lenses and related products and equipments including the Choice series of progressive lenses from Carl Zeiss Vision Inc., the progressive lens Autograph III from Shamir Optical Industry Ltd. and the Transitions Vantage lenses from the company Younger Optics.

The article provides information on free-form technology, which allows for enhanced lens designs that can overcome many of the visual issues of traditional lenses, specifically progressive lenses. It also refers to the manufacturing process of precisely tuned lenses. It presents a comparison of the design and manufacture process of a traditional progressive lens and that of free-form lenses. Free-form allows for contrast perception, easy transition and more comfort.

The article talks about new technologies and lens design and how they are able to solve common optics problems. The author mentions some marketing advice from promoting proprietary brand progressive lenses, presenting a list of common needs or complaints for eyewear users, and presenting product information, lenses, and treatments that you can offer to treat them. Solutions to problems with progressive lenses such as "swim" effect, inadequate intermediate vision, and distortion are shown.

The article previews several optical products including digital lenses from Zeiss, premium finishing pad from DAC Vision AdvantEdge and Hoya's Hoyalux Summit Pro, Summit CD and Amplitude progressive lenses.

The article provides information on lens inventory and reordering for a laboratory. Accuracy, efficiency, and minimal additional cost are cited as the key factors to a successful stockroom. The opportunity for laboratories to reduce expensive inventory requirements is cited as one of the big appeals of non-conventional progressive addition lens (PAL) designs.

Information on the workshop 'Better Management of Your Presbyopic Patients with Progressive Lenses' by the Varilux University at Bastille in Paris, France which was held in the University in October 2010 is presented. Topics include presbyopia correction, use and history of progressive lenses, and why patients deny presbyopia. It featured several personalities including optometrist Jean Charles Allety, professor Mo Jalie and health psychologist Fiona Fylan.

The article presents information on the development in design of freeform progressive power lenses (PPL). The author informs that the evolution of different designs of PPL lenses depend on industrial design restrictions and differentiation from competitors. Alternative design direction adopted by PPL design is to determine the patients' requirements by involving them in an active discussion regarding their visual and lifestyle requirements.

The article evaluates various products from optical laboratories, including the NUVO blocking pad, a material for lenses from Dynamic laboratories, NXT Rx lenses from Carl Zeiss Vision, and Eye-d Progressive Lens Identifier from Super System Optical Technologies.

The article focuses on free-form production, which can produce virtually any ophthalmic lens design. It discusses the three levels of free-form processing, which are basic, semi-personalized, and customized. It explains that appropriate software, programs and equipment are used in the free-form process to produce premium progressive addition lenses (PAL) and single vision lenses. In addition, lenses with lower levels of unwanted astigmatism and power error can be produced through free-form production.

The rticle focuses on the benefits of free form progressive lenses. According to the author, the introduction of this type of lens indicates that it is no longer limited to presbyopic users. Single vision users can enjoy improved vision and better clarity as well. Production of the lenses using automation also provides faster service and better customer satisfaction. Information on single vision free form lenses available in the market is also provided.

The article discusses the development of intraocular lens (IOL) in the U.S. It examines how IOLs have undergone a dramatic evolution in both design and functionality along with variety of materials and designs to increase biocompatibility as well as reduce complications. It explores the different lens design characteristics and summary of the most popular platforms used by eye specialists in modern times.

The article discusses the benefits offered by free-form single vision lenses. It states that free-form single vision lenses have high precision of free-form surfacing, which can create lens surfaces more than 100 times more accurate than generated lenses. It notes that there are several selections of lens material including lens index, photochromic, polarized.

This article reports on the need for a professional optical dispensary to offer premium products to the patient and to employ eye-care professionals (ECPs) knowledgeable in the latest lens technologies. Spectacle lens materials available to today's patients include impact-resistant and high-index materials such as polycarbonate and Trivex. One advantage of high-index materials over a CR-39 plastic is that it does not exhibit stress cracking. The NuPolar prescription polarized lenses by Younger Optics are available in plastic, polycarbonate and 1.67 high index, according to President David Rips. Progressive lenses are popular because they meet the vision needs of most patients with presbyopia. Included is a list showing the benefits of free form or digital surfacing.

The article reports on the various factors that need to be considered by the optical industry for the manufacture of free-form progressive addition lenses (PALs) in the U.S. It states that PALs should feature design that will help improve vision by 50 percent, such as enhanced cylinder, axis and sphere. The author states that frame shape and height should be considered based on corridor length. In addition, the frames heights and monocular pupilary distance must be measured through pupilometer.

The article presents questions and answers related to digitally surfaced lenses including information on how the new digital equipment can do all the conventional work and how the new surfacing technology would make a low-cost digital progressive lens possible.

The article looks at how eye care professionals (ECP) and retailers in the optical industry are selling progressive additional lenses (PAL) to price sensitive patients. It discusses several factors that influence PAL wearers in their purchasing decision like the recommendation of their doctor or dispenser. It also examines the marketing approaches of several optical products companies to attract customers to purchase PAL despite economic problems.

The article presents information on precision measurement of bifocal and progressive-power lenses when using automated focimeters or lens analysers. There are two optical systems used in these instruments and most automated instruments use a different optical system. It is stated that although these two classes of instrument will read the same power when measuring at the optical centre of a lens a slight differences in power reading may occur.

The article discusses the risks of corneal lens reshaping or orthokeratology. It is known as a useful vision correction modality for many patients. However, the U.S. Food and Drug Administration have considered it as a significant risk device. Meanwhile, it reports the biofilm or pellicle formation that is formed in gas permeable (GP) lenses. It suggests one should take in consideration the importance of contact lens care and prescribed replacement to meet the objectives of closed eyewear.

The author discusses the status of the eye care market in the U.S. She expresses concerns over the impact of the lagging economy on consumer buying patterns and confidence about the future. Yet, she notes that optical retailers and eye-care practitioners report that their profit levels are at least holding steady. She also provides product categories listed often by optical retailers and eye-care professionals, including progressive lenses and designer or branded frames.

The article evaluates several products from the ophthalmic market including Novel conventional front side progressives from Vision-Ease Lens, 7149 eyeglass from Ogi Eyewear and P'8801 reading tool from Porsche Design.

The author talks about the developments in the progressive lenses market as of 2013. Topics covered include the changes in lenses as frame styles with small vertical dimensions gained popularity, the shift from standard designs to custom dimensions and the factors in the prescribing of an individual progressive lens such as the technology of free-form manufacturing. Also mentioned is the development by Adlens of a new concept for a multivision lens.

The article focuses on providing information to the eye care professionals for lenses needed by Orthodontists at their office. Particular focus is given to the use of progressive lenses along with the work in orthodontist's clinic including entry of information in computers, watching intraoral cavity of patients, and office environment. The article also gives tips to Orthodontists before visiting eye care professionals including brackets, measurements of various distances, and its photographs.

The article reports that supermarket chain Asda after publication of the report "2014 Mintel Optical Goods Retailing" carried out investigation regarding price of varifocal lenses and adds that Asda decided to offers varifocal lenses for same price as for single prescription version.

The article offers tips in choosing the right eyeglasses when the lens, the focusing mechanism of the eye starts to lose its elasticity. According to Bruce Rosenthal, vice president and chief of the Low Vision Service at Lighthouse International that there are several risks in selecting own lenses, and proposes that an individual must see an eye doctor for a vision test. It offers information on the three types of lens, including single vision, bifocals, and progressives.

The article offers information on progressive lenses. Ways of producing free-form progressive lenses are discussed including the use of full blank and surfacing both surfaces, the use of spherical semi-finished black to produce progressive element on the rear surface of the lens, and the use of semi-finished black with progressive surface moulded on the front surface.

The article reports on the move of eyewear manufacturer Ocuco Inc. to file a request with the U.S. Patent Office to re-examine Carl Zeiss Vision's Patent 6,089,713. The patent claims the invention of back-surface free-form progressive lenses. Ocuco Inc. President, Robert Shanbaum, explained why they filed re-examination.

The article offers information on the wholesale independent optical laboratory FEA Industries Inc. located in Morton, Pennsylvania, which is focused on technology in lens manufacturing. It presents views of Bill Heffner, director of marketing and sales at FEA, on the marketing of lenses and coatings. It offers information on several lenses offered by the firm including Independence Tech lens and Constitution HD progressive lens.

The article offers information on use of several kinds of chairs including medical stools, reception room chairs and office chairs that are used in optometrists' office and clinic. Topics discussed include keeping chairs in reception with re-upholsterings, placing a chair at the corner of the exam room for patient's kin, and side effect of progressive addition lenses (PALs).

The article reports that Ocuco's U.S. subsidiary Ocuco Inc. has filed a request with the U.S. Patent Office to re-examine a Carl Zeiss Vision patent that claims the invention of back-surface Freeform progressive lenses in 2013.

The article focuses on the anatomy of fitting cross, an important landmark for progressive addition lenses (PAL) fitting and defines as the lens' point of location that established refracting power for distance (DRP). Three components of fitting cross dicussed are the horizontal bar for vertical location, the vertical bar for the lens' lateral location, and the monocular PD, refers to the horizontal distance to the frame's distance between the lenses' (DBL) centerline from the fitting cross.

The article features several optical supplies and equipment including the Varilux progressive lenses from Essilor of America, the Comfort, Physio, S Series lens technology from Varilux and the ClearView C desktop video magnifier from Optelec U.S.

The article focuses on a new feature added to web site of Zeiss Better Vision in November 2010 supporting the launch of Gradal Individual EyeFit, the new generation of Zeiss progressive lens with the highest degree of individualisation.

The article evaluates the Zeiss progressive lenses from Carl Zeiss Vision.

The article evaluates the Shamir Autograph Freeframe, a personal progressive eye wear lens, from Shamir Lens.

The article reports an enhancement to the short corridor progressive Kodak Concise Lens of Kodak Lens through the use of digital nano technology optimizing its optical performance with freeform surfacing.

The article reports on the launch of the Eye Index HD digitally enhanced varifocal lens in Great Britain. According to director Tony Harris, complex curves are intended to adapt to the patient's visual requirements. He added that from a dispensing view, there are no additional complications as the prescription can be completed using the patient's standard measurements. The lens is a soft design progressive with wide fields of view that offer smooth graduation and excellent binocular balance.

A correction to the article "To Your Health" that was published in the June 2009 issue is presented.