Cleaning should be performed regularly to remove bodily fluids, dust and soil on the surface of the lens. The biconvex indirect lenses used with the slit lamp do not touch the cornea, and thus topical anesthesia is not necessary. I interviewed at volk optical mentor, oh in january 2015. Ocular lenses were soaked for 10 minutes per ocular 2005 package insert, 8428j3151 ocular instruments, inc. Coloured lens available on request, delivery 3 to 4 weeks. They employ improved designs, coupled with superior materials and coatings for the highest resolution imaging of any non contact lenses.
Indirect fundus biomicroscopy examination of the retina by slit lamp and volk double aspheric lenses is called indirect fundus. The new volk tvg lens allows improved visualization of the angle during surgery by. This lens file type entry was marked as obsolete and no longer supported file format. Ive seen most people with volk lenses, is this just because they carry a greater market share. Advanced double aspheric designs, exclusive to volk, provide clear fundus imaging and precise laser beam transmission. Volk is a company that produces these lenses, and such is the popularity of the manufacturer that fundus biomicroscopy lenses are now commonly referred to as volk lenses. Read on for some dos and donts of how to keep your volk bio and slit lamp lenses clean and clear for the best possible imaging. The volk 90d has good small pupil capabilities, making it ideal for a quick look at the posterior pole.
Using a global network, designs for vision provides diagnostic and surgical products to a range of customers spanning across the healthcare sector. Indirect bio lenses 16 slit lamp lenses 11 indirect contact laser lenses 14 direct contact laser lenses 17 special treatment lenses 5 gonio lenses 9 volk retinal imaging camera 1 lens accessories 3 price. In 1982 all volk lenses for indirect ophthalmoscopy were redesigned with both surfaces aspheric, providing a substantial improvement in image quality. Volk digital wide field lens slit lamp lenses volk. The affected devices should be returned to volk with an assigned return merchandise authorization rma number. The volk 90d classic slit lamp lens is a general diagnosis and small pupil examinations lens. All volk lenses are manufactured from highgrade glass material. Fecaloop onestep canine heartworm antigen test kit antigen rapid canine heartworm antigen test kit antigen rapid canine parvovirus antigen test kit. The indirect ophthalmoscopy lenses and the slit lamp biomicroscopy lenses are designed following a. The first aspheric indirect ophthalmoscopy lens was.
Volk1 single use noncontact surgical bio lenses pdf. Pdf commonly used diagnostic and laser lenses for retinal. However, ocular instruments seems to be cheaper, is. Scroll down to see more and then link to our website for further information. Health, general medical diagnostic software optometrists vision testing vision tests. Retina lens competitive comparison chart more ocular instruments advantages safer due to our superior optical design, we can use a larger spot size setting with our lens designs than volk. Volk has developed a series of lenses with low dispersion glass and antireflective coating to. Volk super and digital series lenses archives latham. Executive team had poor communication skills and very bad business etiquette. They have never had a sales force before and it seemed like they were floundering in showing how they understood the sales process. Volk 90d lens, volk lens, 90d diagnostic lens, slitlamp lens.
There has been considerable emphasis on the need for pupil dilation eg it is. If not distilled, mineral deposits from hard water steam will leave a cloudy film on the lens. Volk s digital lenses are the latest generation non contact lenses for examination at the slit lamp and bio. The image below represents an actual side by side comparison of a volk 20d lens compared with a non volk lens over a 2mm grid.
Efficacy of detergent and water versus bleach for the. Efficacy of detergent and water versus bleach for the disinfection of. It features a small 26mm diameter ring design which is outstanding for dynamic fundoscopy. Volk 30d small clear indirect bio lenses volk lenses. Image of the inferior iridocorneal angle via standard gonioscopy lens. Ive seen little info on the internet regarding opinions for volk vs ocular instruments lenses. Patented double aspheric glass optics provide enhanced imaging. Volk lenses all volk lenses are manufactured from highgrade glass material. Volk precision lens cleaner wipes are ideal for use on microscope eye pieces, cameras, and other precision optical surfaces. Welcome to volk university where we invite you to learn more about the selection, use and care of your favorite volk products. Volk claims having a stain resistant proprietary glass, ocular has an uncoated glass lens with steam sterilization restrictions stating use only distilled water in the steam sterilizer. Class 3 device recall volk g4 small ring, no flange, gonio.
Digital clear field indirect bio lens for highest resolution pan retinal examination. Examination of the retina by slit lamp and volk double aspheric lenses is called a bio microscopic indirect ophthalmoscope bio. Reprocessing of volk optical product that contacts a patient should follow a twostep process in all situations. The cla platform includes both automated and manual versions. Only top quality glass is used in volk bio lenses, providing long lasting and superior optical quality. Volk single use 28d lens 10 per box optics incorporated. Cleaning volk lenses posted on april 1, 20 by tim warrell when cleaning lenses, a good practice is to rinse under tap water to remove particulate which can scratch the lens coating and glass. How to contact volk see the difference all lenses are not the same. Volk optical inc 7893 enterprise drive, mentor, oh 44060. Lenses clean and dry instantly, completely free of smudges, haze, lint and water spots, restoring light transmission to maximum levels for optimum lens performance. The 20d and other volk bio lenses have been known as the industry standard for decades, and are still widely used in every corner of the world today. Customers should contact volk at 440 9426161 or toll free at 800 3458655 as soon as they receive the notification to setup a rma for their devices. The indirect ophthalmoscopy lenses and the slit lamp biomicroscopy lenses are designed following a patented double aspheric design. Condensing lenses have the benefit of being readily available, relatively low cost and highly portable.
A wide variety of volk lens options are available to you, there are 202 suppliers who sells volk lens on, mainly located in asia. Pdf on mar 1, 2008, gitumoni sharma and others published. Australian and new zealand distributors for all optometric and opthalmic supplies and equipment. Instructions for use product information volk optical. Volk diagnostic lenses volk 40d bio lens designs for vision is a specialist provider of products to the ophthalmic and optometry sector for over 40 years. In the volk spirit of improvement, our 2nd generation, digital series bio lenses were developed from the classic, 1st generation bio lenses, in a similar fashion to volk s digital series slit lamp lenses using computeraided optical design, improved glass materials, and enhanced antireflective coatings. Volk indirect aspherical slit lamp lens volk lens bib. Click your language beneath the category titles below to download pdfs of instructions for use. Clean the glass element with volk precision optical lens cleaner polc or a volk.
Volk is known worldwide as the premier designer and manufacturer of the highest quality ophthalmic lenses. Your account details and order history have been moved along with it, your shopping experience should be familiar if you have used the lpo online store in the past. Mentor, oh, major ophthalmic lens manufacturers, caution against cleaning lenses with such food and drug administration fda approved high. Each lens was then soaked in 10% sodium hypochlorite solution 1 part bleach and nine parts water. Equator, and area centralis are registered trademarks of volk optical. Shop now hello, we are excited to announce that the lpo online store has been upgraded and migrated to. For decades, volk optical has provided discerning practitioners with the finest lenses for visualization and treatment of the eye. Volk1 single use lenses aim to reduce the potential for transmission of infectious disease while eliminating reprocessing costs sterilization patented double aspheric optics provide enhanced imaging of the optic disc and macula. Which of the following lens do you guys recommend and why. This write up provides an overview of the various laser lenses. Jan 07, 2016 volk double aspheric lens introduction volk s 60d,78d and 90d fundus lenses have establishes slit lamp indirect ophthalmoscopy as a standard diagnostic procedure for comprehensive fundus evaluation.
Its been a busy year here at volk optical with new products launched in our core lens, surgical lens and diagnostic imaging lines. The lens file extension is associated with the autodesk stitcher, a photo stitching software for microsoft windows operating system, developed by autodesk. Quality of volkmanufactured optics deliver highresolution images in a sterile, onetimeuse designvolk1 single use lenses aim to reduce the potential for transmission of infectious disease while eliminating reprocessing costs sterilizationpatented double aspheric optics provide enhanced imaging of the optic disc and macula. Volk product maximum spot size microns product maximum spot size microns omraprp165 275 super quad 200 omrawf 400 quadraspheric3 200. Volk s exclusive double aspheric optical design expands the usable viewing field beyond that of competitive designs. Digital widefield lens any advice would be helpful. All your needs from consulting room equipment to vision testing disposables and magnification solutions, designs for vision can help. The products represented on this page represent the best in class for each of our product categories.
Mar 22, 2014 a short video using a digital camera attachemnt and volk lens slitlamp biomicroscopy. Quality of volkmanufactured optics deliver highresolution images in a sterile, onetimeuse design. Unfortunately, however, there still seems to be a general impression that volk lenses are to be regarded as a special technique, unsuitable for more routine optometric work. In contrast, noncontact lenses use the power of the lens in combination with the cornea to produce an inverted image with a wider field of view.
Fundus biomicroscopy lenses are probably the most important tool that the majority of optometrists have at their disposal to screen and diagnose posterior eye pathology. Only top quality glass is used in volk bio lenses, providing long lasting and. Jul 18, 2006 i need to get volk lenses for lab and i was wondering if you guys could help me out. Save on optical equipment, ophthalmic instruments and optometry supplies from oculus, nidek, topcon, volk and keeler, view the largest range online. Lombart maintains a large inventory of highquality volk ophthalmic lenses to outfit your slit lamps and other pertinent exam equipment.
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