Fundus photography is used to document clinical signs and to help monitor progression reliably. When blue light is shined on fluorescein, it fluoresces yellowgreen. Fluorescein angiography of a 44yearold woman presenting with multifocal central serous chorioretinopathy cscr in the right eye, with repeated episodes over several months. The choroid nourishes the outer retina and a portion of the optic nerve. Oct angiography in retinal and choroidal diseases angiography is a photographic diagnostic examination tool used to assess conditions of the retinal vasculature. Since the technique was first described, less than 20 years ago, a tremendous amount of angiographic data has been accumulated, which has had a revolutionary impact on the understanding of fundus disease. Fundus photography an overview sciencedirect topics. It has the ability to show both structural and blood flow information. The dye called sodium fluorescein is a toxic substance that can immediately alter the ph balance in the blood. Imaging choroidal neovascular membrane using en face sweptsource optical coherence tomography angiography magdy moussa,1,2 mahmoud leila,3 hagar khalid1,2 1ophthalmology department, faculty of medicine, tanta university, tanta, egypt. Fluorescein angiography basic principles and interpretation free download as pdf file. Optical coherence tomography angiography octa is a new, noninvasive imaging technique that generates volumetric angiography images in a matter of seconds.
All patients enrolled were older than 12 years of age and had no contraindication for ffa. Free download fundus angiography powerpoint presentation. Nov 28, 2015 optical coherence tomography angiography octa is a new, noninvasive imaging system that generates volumetric data of retinal and choroidal layers. Datadriven presentations with excel and powerpoint 2016. Klufas1 and david sarraf1,2 abstract fundus autofluorescence faf is a noninvasive retinal imaging modality used in clinical practice to provide a density map of lipofuscin, the predominant ocular fluorophore, in the retinal pigment epithelium. Ophthalmoscopy versus fundus photographs for detecting and grading diabetic retinopathy. For nearly 50 years, fundus photography and fluorescein angiography have been valuable in expanding our knowledge of the anatomy, pathology, and pathophysiology of the retina and choroid. Digital simultaneous fluorescein and indocyanine green angiography, autofluorescence, and redfree imaging with a solidstate laserbased confocal scanning laser. The leaflet explains the benefits, risks and alternatives, as well as what you can expect when you come to hospital. Aug 12, 2010 in the corresponding fundus autofluorescence image right, atrophic patches are clearly delineated by decreased intensity and high contrast to nonatrophic retina. Oct 19, 2018 fundus fluorescein and indocyanine green angiography pdf free download ebook description fluorescein angiography plays an important role in the management of many retinal disorders which evaluates the pathology of the retina. Gradual elimination of dye from choroidal and the retinal circulation staining of disc. Fluorescein angiography was first successfully used in the human eye in 1961 and has evolved since then as one of the fundamental imaging techniques in the eye. Fundus fluorescein angiography ffa is used to assess the retinal circulation, specifically for vasoocclusion and leakage and to detect new vessels see figures 2 and 4.
But does this new atlas of fundus angiography serve a contemporary need. In evaluating diseases of the macula, fluorescein angiography is helpful in detecting abnormalities in blood flow, vascular permeability, the retinal and choroidal vascular patterns, the retinal pigment epithelium, and a variety of other changes. Powerpoint is the worlds most popular presentation software which can let you create professional fundus angiography powerpoint presentation easily and in no time. We do this commonly when looking at the cornea after instilling fluorescein. Identifying the factors for improving quality of oral. Some common conditions for which fluorescein angiography is indicated include atrophic macular degeneration, central serous chorioretinopathy, cystoid macular edema, ischemic optic neuropathy and malignant choroidal melanoma. Monitoring of atrophic progression over time with fundus autofluorescence imaging, showing the natural course of the disease over time. Fasting and nonfasting images of the same patient were recorded, compared and analysed. Fluorescein angiography is useful in demonstrating chorioretinal folds, especially in mild cases with a normalappearing fundus examination. Fluorescein angiography is a valuable adjunct in the diagnosis and treatment of many retinal diseases. It has a molecular weight of 376 daltons, and is 80% bound to plasma albumin. Fluorescein angiography and oct were performed in all the patients. Fluorescein angiography an overview sciencedirect topics. Unlike clinical imaging techniques, such as fluorescein angiography fa and indocyanine.
Fundus fluorescein and indocyanine green angiography pdf. Fluorescein angiography is an indispensable procedure that can help you investigate the integrity of the retinal vasculature. Conventional angiography involves intravenous injection of a dye, either fluorescein or indocyanine green, into the vascular system. Ultrawidefield uwf imaging is one of the new technologies available to ophthalmologists. Icg angiography is used to assess the choroidal circulation. Ppt fundus angiography powerpoint presentation free to. Fundus fluorescein and indocyanine green angiography.
Fundus fluorescein angiography is an important diagnostic tool in the management and treatment in a number of sight threatening diseases. Most ophthalmologists would agree that fluorescein angiography has rapidly become an indispensable tool to the modern clinician. Patients aged 50 years or older referred for suspicious recentonset cnv related to agerelated macular degeneration were prospectively included for 6 months. Diabetic maculopathy dm is one of the major causes of vision impairment in individuals with diabetes. They took serial fundus photographs after intravenous injection of sodium fluorescein to study the retinal and choroidal circulation1. We collected information from patients undergoing routine oral fa for retinal disease at the shiley eye institute. Sodium fluorescein c 20 h 10 o 5 na 2 is an organic dye. To properly interpret a fluorescein angiogram, it is vital to understand retinal anatomy. In combination with light filters alone, they can also be used to. Ultrawidefield angiography with oral fluorescein in. Photographs of the retina are taken after intravenous injection of sodium fluorescein, an orangered crystalline hydrocarbon with a molecular weight of 376 daltons that diffuses through most of the body fluids.
This helps you give your presentation on fundus angiography in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Potential sideeffects and complications of fluorescein injection are also discussed. For example, depending on the software used to generate the analysis temporal window. How to read fluorescein angiography volume 2 issue 4 2015 yazan zahran ophthalmologist, yazan zahran eye clinic, jordan.
A retinal fluorescein angiography is not a procedure that is completely devoid of risks. Methods this is an observational, casecrossover study. A textbook and atlas is a complete and detailed reference that comprehensively covers fluorescein angiography, the more recent and advancing indocyanine green angiography and their effectiveness in identifying and evaluating various retinal diseases. Thus, the analysis of oct angiography should always include a more conventional oct analysis with bscans. Oct angiography and visiblelight oct in diabetic retinopathy. Unlike clinical imaging techniques, such as fluorescein angiography fa and indocyanine green angiography icga, the clinical use of oct, which offers a noninvasive approach allowing a rapid highresolution assessment of retinal microstructures, has steadily increased. Introduction fluorescein angiography refers to photographing fluorescein dye in the retinal vasculature following intravenous injection of fluorescein solution 3. Having a fundus fluorescein angiography guys and st thomas. Ultrawidefield fundus fluorescein angiography in the.
The dye absorbs light in the blue range of the visible spectrum, with absorption peaking at 490nm blue. Fluorescein angiography and optical coherence tomography. Adherence to the same technical procedure1,2 for all fluorescein angiograms, however, may not always be the most informative method of documenting. Browse all education wills eye manual cases clinical webinars. Fluorescein angiography fa allows study of the circulation of the retina and choroid. It uses the fluorescent properties of lipofuscin to generate images that provide information beyond that is acquired by utilizing more conventional imaging methods such as fluorescein angiography, fundus photography, and regular optical coherence tomography oct. Introduction to fluorescein angiography powerpoint. Full text imaging choroidal neovascular membrane using en. Data recorded included color fundus photographs cfps, spectral domain optical coherence tomography sdoct, and fluorescein angiography fa images. Optical coherence tomography angiography octa is a novel technique for noninvasive, nondyebased imaging of retinal and choroidal circulation. At present, level 1 evidence of the technologys clinical applications doesnt exist.
Figure 3 the ocular fundus has two separate vascular systemsretinal and. Current uwf imaging modalities can provide several options for posterior segment documentation and evaluation, including color and redfree photography, fluorescein angiography, and fundus autofluorescence. Nov 12, 2001 fluorescein angiography is an indispensable procedure that can help you investigate the integrity of the retinal vasculature. Ppt fluorescein angiography powerpoint presentation free. Fluorescent chemical absorbs radiant energy release free electron jump to higher level becomes unstable returns to lower level emit energy fluorescence. The traditional approach to diagnosis of dm includes fundus ophthalmoscopy and fluorescein angiography. Fluorescein angiography department of ophthalmology and. Property of the certain molecules to emit light energy of. If so, share your ppt presentation slides online with.
In the initial stages of hypotony, fluorescein angiography demonstrates an irregular increase in background choroidal fluorescence corresponding to the crest of the choroidal folds fig. Sodium fluorescein is added into the systemic circulation, the retina is illuminated with blue light at a wavelength of 490 nanometers, and an angiogram. The authors state that the aim of the book is to provide a compact guide for the beginner and as well. A textbook and atlas is a complete and detailed reference that comprehensively covers fluorescein angiography, the more recent and advancing indocyanine green angiography and their effectiveness in. While generally well tolerated, angiography is an invasive procedure with.
Full text full text is available as a scanned copy of the original print version. Photographs of the retina are taken after intravenous injection of sodium fluorescein, an orangered crystalline hydrocarbon with a molecular weight of. Fluorescein angiography fa allows study of the circulation of the retina and choroid in normal and diseased states. Serial fundus photography baseline 4 month followup 27 month followup 27 month sp laser 34 month followup 44 month followup fundus photography fundus photographs are often used as a reference to assist in interpretation of other diagnostic imaging procedures such as fluorescein angiography. Introduction fluorescein angiography refers to photographing fluorescein dye in the retinal vasculature following intravenous injection of fluorescein. Optical coherence tomography angiography in retinal diseases.
Fluorescein angiography free download as powerpoint presentation. This helps you give your presentation on introduction to fluorescein angiography. Download atlas of fundus fluorescein angiography pdf. Usually, early and late views of both the posterior pole and peripheral retina are beneficial. You have been given this leaflet because your ophthalmologist eye doctor would like you to have a test called a fundus fluorescein angiography.
The stereoscopic atlas of macula disease by the late donald gass, md, later became, and remains, the standard textbook for the interpretation of fluorescein angiography. Ultrawidefield fundus fluorescein angiography in the diagnosis and management of retinal vasculitis. Clinical applications of fundus autofluorescence in retinal disease madeline yung 1, michael a. The study recruited patients having known retinal pathology who underwent fundus fluorescein angiography at an ophthalmic centre in india. Scribd is the worlds largest social reading and publishing site. Some people are even prone to getting the hives when this substance is injected into the blood stream. This helps you give your presentation on introduction to fluorescein angiography in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Ppt fluorescein angiography powerpoint presentation.
Fluorescein angiography fa is a diagnostic procedure in which a rapid sequence of photographs is taken to document the blood circulation of the retinachoroid. Introduction fluorescein angiography fa was introduced in ophthalmology by novotny and alvis in the sixties of the last century. Comparing both examinations allows an assessment of. Faf has been an area of interest in ophthalmic research for over 40 years. Property of the certain molecules to emit light energy of longer wave. Sep 20, 2016 optical coherence tomography angiography octa is a novel technique for noninvasive, nondyebased imaging of retinal and choroidal circulation. It is a test that helps in the differentiation of retinal disease and is used to determine if laser treatment of the retina is warranted. Imaging of fundus helps in documenting the disease process which further helps in classifying, treating and following up effectively. Recent advances in fluorescein fundus angiography sohan singh hayreh.
Aim to evaluate the quality of oral fluorescein angiography fa in relation to food intake. Informed consent for fluorescein angiography angiography is a diagnostic procedure in which a rapid sequence of photographs is taken to document the blood circulation of the retinachoroid. Autofluorescence describes the appearance of fluorescence from the fundus. Sclera scar tissue myelinated nerve fibre foreign body.
This uptodate comprehensive manual covers the classic topics of fundus photographic principles, as well as thoroughly describes electronic imaging and the recent advances in indocyanine green angiography. Mominul islam consultant retina surgeon and uveitis specialist vitreo retina department ispahani islamia eye institute and hospital dhaka, bangladesh fundus fluorescein angiography. The dye is usually injected into a vein in the arm, forearm, or hand. The early treatment diabetic retinopathy study included use of nonsimultaneous stereoscopic fluorescein angiography to assess severity of characteristics such as capillary loss and fluorescein. Atlas of fundus fluorescein angiography pdf composed by one of the worlds top ophthalmologists, atlas of fundus florescein angiography gives an extensive look at fluorescein angiographic findings in various ailments. Indocyaninegreen angiography icga was performed in selected cases, at the discretion of the physician. The retinal and choroidal vasculature can be the site of pathology in many ocular diseases, and dyebased angiography has been the gold standard diagnostic test for assessing vascular disorders such as choroidal neovascularization, retinal vascular occlusion, diabetic retinopathy, macular telangiectasia and central serous chorioretinopathy. Although very useful clinically, these methods do not contribute much to the evaluation of retinal morphology and its thickness profile. Fundus photography overview ophthalmic photographers. The dye highlights the blood vessels in the back of the eye so they can be photographed.
Finally, interpretation of fluorescein angiography, including fundus anatomy and histology, the normal fluorescein angiogram, and conditions responsible for abnormal fundus fluorescence are described. Oct 24, 2019 abnormal fluorescein angiography deviations from the normal fa are most often described in terms of relative fluorescence. Clinical applications of fundus autofluorescence in. The peripheral retina is defined as anterior portion of retina that begins 3mm posterior to the equator, extends past. Download atlas of fundus fluorescein angiography pdf free. A free powerpoint ppt presentation displayed as a flash slide show on id. Covering methodology and technique, the atlas provides the base required to integrate this subject into ophthalmic tests. Hypofluorescence is a reduction from the normal expected fluorescence and hyperfluorescence refers to an increased or abnormal fluorescence.
Photography, angiography, and electronic imaging, boston. Fluorescein angiography fa, fluorescent angiography fag, or fundus fluorescein angiography ffa is a technique for examining the circulation of the retina and choroid parts of the fundus using a fluorescent dye and a specialized camera. Optical coherence tomography is objective and is not so much affected by pupil size or. Fundus photography overview ophthalmic photographers society. The diagnostic function of oct in diabetic maculopathy. Introduction fluorescein angiography refers to photographing fluorescein dye in the retinal vasculature following intravenous injection. Ophthalmic imaging is an integral part of the work of all ophthalmic departments. Fundus photography is also used to help interpret fluorescein angiography because certain retinal landmarks visible in fundus photography are not visible on a fluorescein angiogram. Figure 3 the ocular fundus has two separate vascular systemsretinal and choroidalseparated by a specialized pigmented monolayer the retinal pigment. Fundus fluorescein and indocyanine green angiography pdf free download ebook description fluorescein angiography plays an important role in the management of many retinal disorders which evaluates the pathology of the retina. Fundus angiography is the property of its rightful owner. A fluorescein angiography is a medical procedure in which a fluorescent dye is injected into the bloodstream. Fluorescein angiography provides retinal circulation details, and oct offers highquality anatomic images.
How to read fluorescein angiography ophthalmology free download as powerpoint presentation. The unique optical properties of the eye make the ocular fundus the only location in the human body where direct noninvasive monitoring of vascular flow is possible. A novel deep learning pipeline for retinal vessel detection. Having a fundus fluorescein angiography guys and st thomas nhs. How to read fluorescein angiography volume 2 issue 4 2015 yazan zahran.
Having a fundus fluorescein angiography you have been given this leaflet because your ophthalmologist eye doctor would like you to have a test called a fundus fluorescein angiography to investigate your eye condition. Due to the sodium fluorescein molecules high degree of fluorescence and the minimal penetrability of the background melanin pigment within the retinal pigment epithelium rpe, fluorescein dye proved to be ideal for studying retinal circulation and retinal vasculature. It allows the clinician to record the findings from clinical ocular examination in an objective, reproducible, transmissible and durable manner. Powerpoint is the worlds most popular presentation software which can let you create professional introduction to fluorescein angiography powerpoint presentation easily and in no time. How to read fluorescein angiography ophthalmology retina. Interpretation of fundus fluorescein angiography jama. In the multivariate analysis, no baseline characteristic was significantly associated.
944 1588 1075 1144 1553 359 1146 1388 702 1505 574 1328 395 1369 1180 714 1408 448 989 59 363 1444 148 1015 571 329 1087 173 1359 741 917 437 1054 1358 854 1148