OCTA Optical Coherence Tomography angiography
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Optical coherence tomography angiography optovue a very basic lecture detailing the new advancement of dyeless angiography by spectral domain OCT system and SSADA and Motion correction algorithm
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Eyes with inferior posterior staphyloma showed marked choroidal thinning along the superior border of the staphyloma. As patient age increased, choroidal thinning progressed in the entire macular area. Eyes with neovascular complications associated with the staphyloma had significantly reduced macular choroidal thickness compared to eyes without complications. Reduction of the choroidal thickness with age seemed to be involved in the development of neovascularization associated with inferior posterior staphyloma.Optical coherence tomography
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This document discusses the management of adult cataract, including types of cataract surgery, pre-operative evaluation, and measurements of visual function. It describes extracapsular cataract extraction (ECCE) and intracapsular cataract extraction (ICCE), and notes that ECCE has replaced ICCE due to improved technology. The pre-operative evaluation involves assessing general health, ocular history, medications, visual function tests, and external and internal eye examination. Measurements of visual function include visual acuity, brightness acuity, contrast sensitivity, and visual field testing.Optical/ocular coherence tomography OCT All in one Presentation
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age-related macular degeneration (amd), anterior segment, diabetic eye disease., exudative macular degeneration, glaucoma, imaging technique, indications, introduction of oct, macular degeneration (amd) and, michelson interferometry, normal retinal scan, ocular coherence tomography, principle of oct, reflectivity of images, reflectivity patterns of the retinal structures a, report analysis, retina, spectral-domain oct (sdoct)., subretinal neovascular membranes, time-domain oct (tdoct)Management of adult cataract II.ppt
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This document discusses the pre-operative evaluation and management of adult cataract patients. It describes the types of cataract surgery as ICCE and ECCE. ECCE has replaced ICCE due to better equipment and IOL implants. A thorough pre-operative evaluation includes medical history, ocular examination, measurements of visual function, and potential acuity tests to determine the contribution of the cataract to visual loss. Special tests can evaluate macular and retinal function when the cataract obscures fundus view.Cataract
CataractMujeeb M
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Cataract is an opacity in the lens. There are different types and stages of cataract development. Extra capsular cataract extraction is the preferred surgery technique as it has fewer complications than intra capsular extraction. Phacoemulsification is now the best technique as it allows for a small incision, use of topical anesthesia, and faster recovery. Accurate biometry measurements and IOL power calculations are important for good visual outcomes after surgery. Post-operative care involves medications and follow-up to monitor for and treat complications such as infection, inflammation, and posterior capsule opacification.OCT
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Optical coherence tomography)(OCT)Shruti Laddha
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Optical coherence tomography (OCT) can be used to identify and characterize different patterns of diabetic macular edema (DME). Common patterns include diffuse retinal thickening, cystoid macular edema, and serous retinal detachment. Cystoid macular edema appears on OCT as fluid-filled cystic cavities within the retinal layers. As DME progresses, cysts may enlarge and coalesce. Hard exudates appear as small, hyperreflective foci that cast shadows. Disruption of the ellipsoid zone is associated with worse visual acuity in DME patients. OCT is useful for monitoring response to DME treatment.Recently uploaded (20)
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OCTA Optical Coherence Tomography angiography
- 1. MOHAMMAD ABUSAMAK MD, ABO, FICO Amman Eye Clinic Jordan
- 3. It was FUN!!
- 4. things are about to change...!!
- 6. things are about to change...!!
- 8. What is the Diagnosis? 1. EPIRETINAL MEMBRANE
- 9. What is the Diagnosis? 2. DIABETIC CYSTOID MACULAR EDEMA
- 10. What is the Diagnosis? 3. MACULAR DEGENERATION
- 11. What is the Diagnosis? 1. Epiretinal membrane 2. Diabetic cystoid macular edema 3. Macular degeneration
- 12. 2007 was a breakthrough
- 13. 2007 was a breakthrough
- 14. How Does OCT-A Work? So smart, so simple OCT image is a structural, cross-sectional, B-scan image. OCT works by sending a long-wavelength light, then detecting changes that occurred on the tissue-reflected light; thereby, it converts the reflected light into an image.
- 15. How Does OCT-A Work? So smart, so simple OCT-A machine captures multiple conventional structural OCT images at the same site. Then, it compares the resulting differences between them (decorrelation): If the imaged area is avascular, then no difference among the multiple images will be detected, and the OCT-A will appear black.
- 16. How Does OCT-A Work? So smart, so simple
- 17. How Does OCT-A Work? So smart, so simple If the imaged area is vascular, intravascular turbulence will cause differences among the multiple images; this difference will be depicted as vessels..
- 18. OCT-A is the beginning of a promising future of retinal vascular imaging
- 19. Using OCT-A in Daily practice First we need to understand basic analysis Segmentation
- 20. Segmentation
- 25. OCT Angiography in Daily Practice
- 26. Diabetic Macular Ischemia Notice that in diabetic macular ischemia: deep plexus is affected more than superficial plexus
- 27. FAZ contour and Ischemia
- 30. Mac Tel and BRVO
- 31. Myopia CNV
- 33. Iris Angiogram
- 35. The evidence behind the OCT-A OCT and angiography is eliciting commercial and clinical interest powerful research tool changing classification and management of glaucoma, cornea, retina, and anterior segment Its power in its reproducibility and high resolution
- 36. The evidence behind the OCT-A
- 37. The evidence behind the OCT-A
- 38. The evidence behind the OCT-A
- 39. The evidence behind the OCT-A
- 40. The evidence behind the OCT-A
- 41. Our 1st Question: What Is our Diagnosis?
- 42. After OCT-A?
- 43. After OCT-A?
- 44. this is the FUTURE