2), and for the frequency of their involvement in early diabetic retinopathy, such as the area temporal to the macula (Fig. Photographic fields were chosen based on their importance for visual function, such as the disc and macula (Fig. Separate color photographic standards were established for hemorrhages, hard exudates, venous abnormalities, and neovascular and fibrous proliferation within one disc diameter of the disc. That individual photographs could be graded consistently by experienced, independent assessors was recognized by the committee as an essential feature of any classification scheme, especially one that would establish the natural course of diabetic retinopathy by statistical analysis of serial examinations as well as objectively evaluate the effects of therapeutic interventions. The Airlie House Classification of diabetic retinopathy qualitatively and quantitatively described the status of diabetic retinopathy and employed fundus photography to permanently record the locations of these lesions in certain predesignated areas of the fundus (Fig. Despite its limitations, the O’Hare Classification was valuable as a framework for the main symposium that allowed comparison of results obtained from various therapeutic interventions at several different medical centers.Įmpowered with this common language from the O’Hare Classification, the Airlie House committee on classification developed a more comprehensive system to critically describe diabetic retinopathy and to evaluate the effect of treatment modalities. What they developed, The O’Hare Classification for diabetic retinopathy, enabled those participating in the subsequent Airlie House Symposium to prepare cases and to present data using a basic system of categorization involving four characteristics of diabetic retinopathy: background retinopathy, vitreous hemorrhage, new vessels, and fibrous proliferation extending into the vitreous cavity. Wetzig) met at the O’Hare Inn, Des Plaines, IL, on June 29, 1968, in advance of the Airlie House Symposium. Realizing, first, that a preliminary, standard classification of diabetic retinopathy with which data could be analyzed and compared amongst investigators at this US Public Health Service-sponsored symposium was essential, a group of investigators (Drs. I have written several books on Web Development, including the Dreamweaver Unleashed series on Sam's Publishing, the Build Your Own ASP.NET Website Using C# and VB series on SitePoint Press, Beginning Expression Web by Wrox Press, Murach's HTML5 and CSS3 by Mike Murach & Associates, Inc., Murach's JavaScript and jQuery by Mike Murach & Associates, Inc., and Murach's Dreamweaver CC 2014 also by Mike Murach & Associates, Inc.Participants of the Airlie House Symposium on the Treatment of Diabetic Retinopathy, September 29 to October 1, 1968. Aside from my teaching duties I am also a Web Application Developer at MiraCosta College. That experience has landed me the position of Associate Professor for the Front-End Web Developer Certificate Program at the San Diego Community College District's Continuing Education North City campus. I have been teaching at the community college level for over 19 years at several community colleges including the San Diego Community College District, Mt. NET (MCAD) and a Microsoft Certified Solutions Developer for. I am a Microsoft Certified Application Developer for. Many of which I’ve written about or currently teach at the community college level. My skill set includes numerous front-end and back-end authoring, scripting, and programming languages, technologies, and tools. I hold a Bachelor's degree from San Diego State University and a Master of Science in Instructional Technology from National University in San Diego. I specialize in web and mobile web site and application development focusing on responsive user interface design, user experience, and usable presentation. My name is Zak Ruvalcaba and I have been researching, designing, and developing for the Web since 1995.
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