Comparative study of the tomey specular microscope em4000 and the konan cellchek xl the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Other specular microscope companies provide their own proprietary software. Konan specular microscope pdf most popular pdf sites. Have slit lamp evidence of endothelial dystrophy e. Specular microscopy study full text view clinicaltrials. Jun 15, 2009 use specular microscopy to diagnose corneal disease specular microscopy is a noninvasive photographic technique that facilitates rapid and accurate diagnosis of corneal endotheliopathies.
Comparison of corneal endothelial cell measurements by two. Konan s specular microscopes are the global gold standard for precision assessment of the most critical layer of the cornea, the endothelium. Nidek specular microscope cem530 k565 konan medical, inc. To that end, noncontact specular microscopy allows optometrists to. Comparison of corneal endothelial image analysis by konan.
The digital device was composed of an acquisition unit consisting in a contact konan specular sp5500 equipped with a digital camera canon eos 6d and a linuxbased computer. Q does medicare cover endothelial cell count performed with a specular microscope. Even quicker, even simplerbrandnew standard model is available. It is not only used to assess the health of the endothelium in patients with corneal diseases, but is also part of the routine examinations after corneal transplantation. Konan s cellchek specular microscope features autoalign, autofocus, autocapture, autoanalysis and autopachymetry for onebutton ease of use.
Specular microscopy and the quantification of corneal. The endothelium, the most posterior layer of the cornea, is a monolayer of approximately 350,000 to 500,000 highly specialized cells. The 1970s and 80s saw research and publications exploring the normal and pathologic structure, function, 4 healing. Review of corneal endothelial specular microscopy for fda clinical.
The information that the specular microscope provides is valuable for assessing the long term effects of the. Konan s specular microscopes are the global gold standard for precision assessment of the most. Konan s specular microscope makes it possible to observe the endothelium at high magnification and provides a detailed assessment of the cornea. Specular microscopy an overview sciencedirect topics. Medicare reimbursement for specular microscopy heidelberg faq. Konans specular microscopes are used globally for both well vision and medical patients. As a result, you can easily analyze endotherial cells with simple input operation. The current cpt code for specular microscopy is 92286 special anterior segment photography. Specular microscope an overview sciencedirect topics. Azar, mph emory university eye center atlanta, georgia. Konan noncon cellchek xl nsp9900 specular microscope. Pdf the clinical specular microscope is used to examine and photograph human endothelial cells in vivo. Using computerassisted morphometry, modern specular microscopes analyze the size, shape and population of the endothelial cells. Konans specular microscopes are the global gold standard for precision assessment of the most critical layer of the cornea, the endothelium.
It is a quicker data entry method and easier to approximate the center. Konan specular microscopy is an invaluable tool to screen for corneal diseases as such as fuchs dystrophy, keratoconus, other corneal dystrophies, and trauma. Konan s priority in this unprecedented situation is the health and safety of our employees and their families. Information january 30, 2020 thank you very much for visiting our corporate website. Medicare reimbursement for specular microscopy heidelberg. The instrument projects light onto the cornea and captures the image that is reflected from the optical interface between the. Thank you very much for purchasing konan specular microscope x nsp9900. Clinical specular microscopy corneal endothelial cell morphology 1 clinical specular microscopy corneal endothelial cell morphology. Highgrade model providing widefield visualization of the cornea. The sp3000p specular microscope is an electronic instrument for medical use. Konan specular microscope noncon robo pachy sp9000.
Clinical specular microscopy corneal endothelial cell. David maurice was the first to develop a specular microscope in 1968. Use specular microscopy to diagnose corneal disease. The new device is more accurate due to tomeys new core method to count cells. Press release market research store global specular microscope market analysis 2020 konan, topcon, nidek, tomey, wavetek, hy vision star, hai labs, inc.
Refurbished konan cell check 9900 specular microscope. Trauma, 17 contact lens wear, 18 refractive surgeries, 1921 diabetes, 22 and corneal disease,2325 all impact ecd and morphology. The information that the specular microscope provides is valuable for assessing the long term effects of the surgical trauma of the procedure, and specular microscopy is critical to understanding your personal outcomes with dsaek. Konan provides onsite training, advanced topics webenabled training and the industrys best clinical support. Cellchek xl k120264 indications for use the em4000 specular microscope is a noncontact ophthalmic microscope, optical pachymeter, and camera intended for examination of the corneal endothelium and for measurement of the thickness of the cornea. Specular microscopy offers us a cellular level view of the corneal endothelium. We utilize the konan specular microscope after all of our dsaek surgery.
Noncontact specular microscopes sm have a very small field of observation usually 0. Specular microscopy, in vivo tandem scanning confocal microscopy tscm, scanning slit confocal microscopy sscm, and highfrequency ultrasound biomicroscopy are examined. Pdf some optical principles of the clinical specular microscope. This is the bottom layer of the cornea which is a critically important layer for the health and well being of the entire cornea. There are special analytical tools that come with the microscope to help in the diagnosis of conditions and to pinpoint potential issues for further examination. Cellchek specular microscope the gold standard konan. For practices that want greater detail on a cellular level than biomicroscopy provides, browse laser locators refurbished specular microscopes.
Konan cellchek xl nsp9900 specular microscope endothelial epithelium cell counter. Our products are designed with particular attention to safety. We are following official guidance to minimize the spread of covid19 and have adjusted operations accordingly. Use of the konan nonconrobo specular microscope in. Jun 23, 2015 nowadays different types of specular microscope exist. Comparative study of the tomey specular microscope em4000. As it is a bilateral code, the reimbursement is the same whether specular microscopy is performed on one or both eyes. Topcon shall not take any responsibility for damage due to fire, earthquakes, actions by third persons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions. Specular microscope definition of specular microscope by. Konans specular microscopes are the global gold standard.
Used konan sp8800 specular microscope ophthalmology general. Using the konan center method, we performed specular analysis on 536 specular images of donor corneal endothelium. One observer analyzed these images by using the konan system and a second observer by using the biooptics bambi system. Cellchek xl specular microscope from konan medical usa inc. We offer several model options including the konan noncon robo and topcon sp2000p to meet your specular microscope needs.
Reteval many diseases and disorders affect various cell populations in the retina, and ergs provide an objective, noninvasive method of evaluating retinal function reteval is the only fda 510k cleared, nonmydriatic, fullfield mobile erg device, and is easier to use than you might think. Specular microscopy utilises the difference in refractive index at the corneal endotheliumaqueous interface to view and photograph the endothelial cells see above purkinje ii and specular reflection page 165. The combination of central, paracentral, and peripheral imaging provides a broader, overall view that can be used for detailed morphological and quantitative. In this study we compare corneal endothelial cell density and morphometry measurements from two widely used noncontact specular microscopes, the topcon sp3000p and konan noncon robo sp8000. The instrument projects light onto the cornea and captures the image that is reflected from the optical interface between the corneal endothelium and the aqueous humor. Konan additionally includes semiautomated methods to make robust use of minim numbers of observable cells with advanced disease state corneas. Specular microscopy image quality scale for endothelial cell. Konans specular microscopes are the global gold standard for. Some optical principles of the clinical specular microscope. Specular microscope this device features the latest technology to meet all the customer. All konan specular microscopes feature center method and flexcenter semiautomated analysis tools. Specular microscopy is a noninvasive photographic technique that allows for analysis and visualization of the corneal endothelium. Konan s cellchek specular microscope features autoalign, autofocus, autocaputure, autoanalysis and autopachymetry for onebutton ease of use. Specular microscopy of the corneal endothelial cell layer is an important diagnostic tool in clinical practice 1, 2.
Noncon robo specular microscope nsp9900 instruction manual. This constitutes a major limitation when accurate and extended assessment of the. One of the major benefits of the konan specular microscope is its high accuracy in assessing corneal cell issues. Digitalization of a wide field contact specular microscope. Cellchek specular specifications and faq konan medical. Specular microscopy is a noninvasive photographic technique that allows you to visualize and analyze the corneal endothelium. Endothelial cell images captured with the konan specular microscope at a resolution of 640. Oct 11, 2019 konan specular microscope pdf posted on october 11, 2019 by admin cellchek c. Experienced eye care doctors use specular microscopy to study a patients corneal endothelium.
Comparison of endothelial cell measurements by two eye. Even quicker, even simplerbrandnew standard model is available nowcellchek 20. Konans specular microscopes are the global gold standard for precision. The noninvasive technique is used to evaluate the health of the corneal endothelium or inspect any damage that may have been caused to it by disease, surgery or injury. Cellchek plus k120264 indications for use the nidek specular microscope cem530 is a noncontact ophthalmic microscope, optical pachymeter, and camera intended for.
The konan noncon robo sp6000 can provide cell count function but other endothelial variables can be obtained only when the machine is connected to a separate cell ana. The microscope system includes 19 touch screen, motorized table, and printer. Global specular microscope market analysis 2020 konan, topcon. For availability in your country, please check with your distributor. Best presentation on specular microscopy ksos drishti 2017. Medicare has a national coverage determination policy addressing. Complete peripheral photography, verification of location and non contact pachymetry.
The cellchek xl delivers cellular level imaging of the corneal endothelium with the industrys most comprehensive tools for cellular morphology and trending. Konan sets the standard for specular microscopy with strong clinical evidence, ease of use and patented analysis methods that can reliably assess even problematic endothelium. Noncontact konan specular microscope, wide field and fully automatic photography. The magnified view of the corneal endothelium with the specular microscope compared with slitlamp examination allows qualitative assessments including evaluation of endothelial disease and possible dysfunction in the form of guttae, cell dropout, and stress. The space saving features combined with its ease of use makes the sp1p, specular microscope, the instrument for a new generation in eye care. Aug 15, 2012 at nittany eye associates, we use a cellchek xl clinical specular microscope system konan medical, which allows us to visualize the corneal endothelium at the cellular level in vivo. Cellchek endothelial cell morphology is like a canary in the coal minea potential warning that the structural stability of the endothelium has been affected, possibly by surgical procedures, disease, trauma or contact lenses. Listing a study does not mean it has been evaluated by the u.
It is this light that is captured by the specular microscope and forms the image of interest. Methods endothelial cell measurements were performed with both the topcon sp3000p and konan noncon robo sp8000 on 34 eyes of 18 consecutive patients of our. A specular microscopy is a covered procedure under medicare when reasonable and necessary for patients who meet one or more of the following criteria. A contact specular microscope was compared with a noncontact endothelial camera on 20 eyes of 10 consecutive patients presenting for cataract surgery. No difference was found in the percentage of photographs acceptable for cell counting or the time for photography by one or other camera. Center method is mentioned in fda panel minutes as being the gold standard and is used by virtually every professional reading center for independent assessment of corneal endothelial analytics. Review of corneal endothelial specular microscopy for fda. Cellchek specular microscope the gold standard konan medical. The konan specular microscope images a sample of the corneal endothelium and provides statistical analysis that allows our doctors to evaluate the health and function of the cornea.
This important information helps define the best mode of surgery or therapy for a given patient. Cellchek specular microscope fundamentals konan medical. The information that the specular microscope provides is. Because cataract surgery causes some loss of endothelial cells, the risk of postoperative corneal decompensation is increased if preoperative endothelial cell counts are low.
A camera that takes highmagnification images of the cellular layer of the inner surface of the cornea. Our optometrists use a specular microscope to diagnose corneal disease in its very early stages. The investigators propose to compare the endothelial cells with two specular microscopes. Specular microscopy is used to determine the number of cells per square millimeter of corneal endothelium. Type class i, type b electrical equipment ambient temperature. Noncon robo specular microscope nsp9900 instruction. Jul 05, 20 experienced eye care doctors use specular microscopy to study a patients corneal endothelium. Use of the konan nonconrobo specular microscope in clinical research henry f. The specular microscope was invented by david maurice in the 1960s and further developed into a clinical and eye bank tool to evaluate the corneal endothelium by bourne and kaufman in the 1970s.
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