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. Konan specular microscope pdf most popular pdf sites. The new device is more accurate due to tomeys new core method to count cells. The combination of central, paracentral, and peripheral imaging provides a broader, overall view that can be used for detailed morphological and quantitative. Nidek specular microscope cem530 k565 konan medical, inc. Complete peripheral photography, verification of location and non contact pachymetry.
The information that the specular microscope provides is valuable for assessing the long term effects of the. Cellchek plus k120264 indications for use the nidek specular microscope cem530 is a noncontact ophthalmic microscope, optical pachymeter, and camera intended for. Medicare reimbursement for specular microscopy heidelberg faq. Konan provides onsite training, advanced topics webenabled training and the industrys best clinical support. Noncontact specular microscopes sm have a very small field of observation usually 0. The information that the specular microscope provides is. 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. 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.
Specular microscopy and the quantification of corneal. 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. This important information helps define the best mode of surgery or therapy for a given patient. This is the bottom layer of the cornea which is a critically important layer for the health and well being of the entire cornea. Use specular microscopy to diagnose corneal disease. The 1970s and 80s saw research and publications exploring the normal and pathologic structure, function, 4 healing. The investigators propose to compare the endothelial cells with two specular microscopes. Endothelial cell images captured with the konan specular microscope at a resolution of 640.
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. Used konan sp8800 specular microscope ophthalmology general. Comparison of corneal endothelial image analysis by konan. 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 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 s priority in this unprecedented situation is the health and safety of our employees and their families. The sp1p, specular microscope, workflow takes just a few seconds, requiring minimum training. Best presentation on specular microscopy ksos drishti 2017. 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. Specular microscopy study full text view clinicaltrials. 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. Even quicker, even simplerbrandnew standard model is available nowcellchek 20. Cellchek specular specifications and faq konan medical. Trauma, 17 contact lens wear, 18 refractive surgeries, 1921 diabetes, 22 and corneal disease,2325 all impact ecd and morphology.
Konans specular microscopes are used globally for both well vision and medical patients. Refurbished konan cell check 9900 specular microscope. Konan s specular microscope makes it possible to observe the endothelium at high magnification and provides a detailed assessment of the cornea. Specular microscopy is used to determine the number of cells per square millimeter of corneal endothelium. We offer several model options including the konan noncon robo and topcon sp2000p to meet your specular microscope needs.
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. Clinical specular microscopy corneal endothelial cell. Even quicker, even simplerbrandnew standard model is available. 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. We utilize the konan specular microscope after all of our dsaek surgery. It is this light that is captured by the specular microscope and forms the image of interest. Use of the konan nonconrobo specular microscope in clinical research henry f. The space saving features combined with its ease of use makes the sp1p, specular microscope, the instrument for a new generation in eye care. As it is a bilateral code, the reimbursement is the same whether specular microscopy is performed on one or both eyes. Konan s cellchek specular microscope features autoalign, autofocus, autocapture, autoanalysis and autopachymetry for onebutton ease of use. One of the major benefits of the konan specular microscope is its high accuracy in assessing corneal cell issues. 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. Pdf some optical principles of the clinical specular microscope.
Specular microscope an overview sciencedirect topics. 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. A specular microscopy is a covered procedure under medicare when reasonable and necessary for patients who meet one or more of the following criteria. Medicare has a national coverage determination policy addressing. Information january 30, 2020 thank you very much for visiting our corporate website. The cellchek xl delivers cellular level imaging of the corneal endothelium with the industrys most comprehensive tools for cellular morphology and trending. 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. All konan specular microscopes feature center method and flexcenter semiautomated analysis tools. Specular microscopy an overview sciencedirect topics. Medicare reimbursement for specular microscopy heidelberg. One observer analyzed these images by using the konan system and a second observer by using the biooptics bambi system. Because cataract surgery causes some loss of endothelial cells, the risk of postoperative corneal decompensation is increased if preoperative endothelial cell counts are low. Jun 23, 2015 nowadays different types of specular microscope exist. Konan noncon cellchek xl nsp9900 specular microscope.
Specular microscope definition of specular microscope by. Specular microscopy image quality scale for endothelial cell. Konans specular microscopes are the global gold standard for precision. Specular microscopy offers us a cellular level view of the corneal endothelium. Review of corneal endothelial specular microscopy for fda clinical. Comparison of endothelial cell measurements by two eye. The sp3000p specular microscope is an electronic instrument for medical use. Cellchek specular microscope the gold standard konan medical. Specular microscopy is a noninvasive photographic technique that allows for analysis and visualization of the corneal endothelium. Noncontact konan specular microscope, wide field and fully automatic photography. We are following official guidance to minimize the spread of covid19 and have adjusted operations accordingly.
Specular microscopy is a noninvasive photographic technique that allows you to visualize and analyze the corneal endothelium. 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. As a result, you can easily analyze endotherial cells with simple input operation. Cellchek specular microscope the gold standard konan. Konans specular microscopes are the global gold standard. Noncon robo specular microscope nsp9900 instruction manual. Cellchek specular microscope fundamentals konan medical. Konans specular microscopes are the global gold standard for. This instrument also optically measures the thickness of the cornea. A camera that takes highmagnification images of the cellular layer of the inner surface of the cornea. For practices that want greater detail on a cellular level than biomicroscopy provides, browse laser locators refurbished specular microscopes.
The endothelium, the most posterior layer of the cornea, is a monolayer of approximately 350,000 to 500,000 highly specialized cells. Type class i, type b electrical equipment ambient temperature. Konan cellchek xl nsp9900 specular microscope endothelial epithelium cell counter. Highgrade model providing widefield visualization of the cornea. Oct 11, 2019 konan specular microscope pdf posted on october 11, 2019 by admin cellchek c. Global specular microscope market analysis 2020 konan, topcon.
Q does medicare cover endothelial cell count performed with a specular microscope. Specular microscopy image quality scale for endothelial. Press release market research store global specular microscope market analysis 2020 konan, topcon, nidek, tomey, wavetek, hy vision star, hai labs, inc. Comparative study of the tomey specular microscope em4000. The current cpt code for specular microscopy is 92286 special anterior segment photography.
Other specular microscope companies provide their own proprietary software. Listing a study does not mean it has been evaluated by the u. Jul 05, 20 experienced eye care doctors use specular microscopy to study a patients corneal endothelium. Comparison of corneal endothelial cell measurements by two. Using computerassisted morphometry, modern specular microscopes analyze the size, shape and population of the endothelial cells. Have slit lamp evidence of endothelial dystrophy e. This constitutes a major limitation when accurate and extended assessment of the. 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. Konan s cellchek specular microscope features autoalign, autofocus, autocaputure, autoanalysis and autopachymetry for onebutton ease of use. To that end, noncontact specular microscopy allows optometrists to. Specular microscope this device features the latest technology to meet all the customer. 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. Konans specular microscopes are the global gold standard for precision assessment of the most critical layer of the cornea, the endothelium.
Konan specular microscopy is an invaluable tool to screen for corneal diseases as such as fuchs dystrophy, keratoconus, other corneal dystrophies, and trauma. Our optometrists use a specular microscope to diagnose corneal disease in its very early stages. No difference was found in the percentage of photographs acceptable for cell counting or the time for photography by one or other camera. 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. Our products are designed with particular attention to safety. Review of corneal endothelial specular microscopy for fda. A contact specular microscope was compared with a noncontact endothelial camera on 20 eyes of 10 consecutive patients presenting for cataract surgery. Konan specular microscope noncon robo pachy sp9000. Specular microscopy, in vivo tandem scanning confocal microscopy tscm, scanning slit confocal microscopy sscm, and highfrequency ultrasound biomicroscopy are examined.
Experienced eye care doctors use specular microscopy to study a patients corneal endothelium. The microscope system includes 19 touch screen, motorized table, and printer. Precise calibration of the individual specular microscope is not as important as a constant calibration throughout the study. Some optical principles of the clinical specular microscope. Using the konan center method, we performed specular analysis on 536 specular images of donor corneal endothelium. Clinical specular microscopy corneal endothelial cell morphology 1 clinical specular microscopy corneal endothelial cell morphology. Cellchek xl specular microscope from konan medical usa inc. 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. We utilize the konan specular microscope after all of our. Azar, mph emory university eye center atlanta, georgia. David maurice was the first to develop a specular microscope in 1968. Konan s specular microscopes are the global gold standard for precision assessment of the most. Global specular microscope market analysis 2020 konan.
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. Digitalization of a wide field contact specular microscope. Multi area specular microscopy in addition to conventional central and peripheral specular microscopy, the cem530 includes a nidek original function that captures paracentral images. 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. For availability in your country, please check with your distributor.
Noncon robo specular microscope nsp9900 instruction. Use of the konan nonconrobo specular microscope in. 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. Konan s specular microscopes are the global gold standard for precision assessment of the most critical layer of the cornea, the endothelium. Konan additionally includes semiautomated methods to make robust use of minim numbers of observable cells with advanced disease state corneas. Specular microscopy of the corneal endothelial cell layer is an important diagnostic tool in clinical practice 1, 2. Pdf the clinical specular microscope is used to examine and photograph human endothelial cells in vivo. It is a quicker data entry method and easier to approximate the center. 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.
384 1118 1526 501 1484 1455 544 1250 1364 304 1349 568 1062 613 1103 301 1552 736 561 1441 549 1303 142 201 958 44 792 1103 651 917 1304 412 387 1587 1225 1461 352 72 41 963 62 837 494 1230 37