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Indirect Ophthalmoscopy: an overview of the optics and techniques, including scleral depression

Please watch the new video: an Experiment to explore the Conoid of Sturm    • Exploring the Conoid of Sturm - an Ex...   Indirect Ophthalmoscopy: an overview of the optics and techniques, including scleral depression Chapters 0:00 Title slide 0:14 Introduction 0:39 Direct vs Indirect Method 1:36 Optics of Indirect Ophthalmoscopy 2:40 Binocular indirect Ophthalmoscopy - optical explanation for Stereopsis 3:00 Refractive errors and their influence on the examiner's accommodative effort 4:41 The instrument 5:33 Preparing for performing Indirect Ophthalmoscopy 5:52 Adjusting the IPD 6:00 Small pupil vs dilated pupil settings 6:14 Getting ready with Indirect Ophthalmoscope 6:32 Holding the condensing lens - the most important part of performing Indirect Ophthalmoscopy 8:14 Examining the fundus with sweeping movements with the indirect - tilting the all-important virtual axis! 8:31 Scleral depression - the final frontier!! 9:24 Clinical video 1: Subclinical RD and a trip to the pars plana 9:35 The Vortex veins - the most beautiful image in this video! 9:57 Clinical video 2: How to differentiate a retinal hemorrhage from a retinal break? 10:37 Getting the orientation correct with the vertically inverted and laterally reversed image on the condensing lens 11:45 Clinical video 3: Retinal detachment with Choroidal detachment - how to differentiate them and how to do a sweeping movement with the indirect to reach up to the Horseshoe tear. 12:10 Clinical video 4: The most expensive retinal lesion!! The Ora Serrata Pearl!! 12:38 Clinical video 5: A never before documented lesion - the zonular traction tuft! 13:08 Clinical video 6: A journey to the unknown - the pars plana with pars plana cyst - Probably the only video documenting this Hyaluronic acid-filled lesion at the pars plana!! Enjoy!! This is a video on the overview of the most demanding examination technique in Ophthalmology: Binocular Indirect Ophthalmoscopy. This video is meant mainly for Postgraduates to help them further their skills in Ophthalmoscopy. The presentation was prepared for the PG refresher course by Kerala Society of Ophthalmology and I am thankful to Dr. Rajiv Sukumaran for including this presentation in the course. I dedicate this to my teachers who inspired me to take up vitreoretinal surgery. The Indirect Ophthalmoscope - Appaswamy Associates Wireless Indirect Ophthalmoscope. https://www.appasamy.com/equipmenthom... Video documentation was done with DIYretCAM - a Do It Yourself smartphone fundus camera adapter which works on the monocular indirect ophthalmoscopic principle. http://www.ijo.in/article.asp?issn=03... References: Duane's Ophthalmology, chapter 63 on Optics of Ophthalmology Retinal Detachment: Principles and Practice (American Academy of Ophthalmology Monograph) by DA Brinton and CP Wilkinson Thank you, Mr. Prashant, Sales in Charge, Opticals, Dr. NSD Raju's Eye Hospital, for the support in making this video. #indirectophthalmoscopy #retina #scleraldepression