The spectralis oct imaging platform combines scanning laser fundus imaging with simultaneously acquired oct as an expandable platform, it can be upgraded with additional scanning laser fundus imaging modalities, such as bluepeak autofluorescence and multicolor, as well as advanced modules such as oct2 and the glaucoma module premium edition. Part one introduction optical coherence tomography oct is an essential tool for diagnosing and managing retinal diseases and glaucoma. Maximizing the efficacy of available treatments requires the appropriate use of optical coherence tomography oct. Manual correction of segmentation lines is possible in case of segmentation. View notes octb from gtsdg 65436 at hogskolen i oslo. The optical coherence tomography oct is a noncontact, non invasive method to examine the retina by providing crosssectional scans through the retina. Oct uses lowcoherence interferometry to produce a twodimensional image of optical scattering from internal tissue microstructures in a way that is analogous to ultrasonic pulseecho imaging. May 01, 2015 successful oct image interpretation depends on multiple factors, the most pertinent of which is a good understanding of retinal histology and histopathology. Macular hole, stage 2 partial rupture of retina, increased thickness 7. I fully recommend the booklet to anybody in residency and. The measurements were recorded on macular thickness map 3. C the pseudooperculum is now separated from the retina in this stage 3 macular hole, vision 20160. Today, optical coherence tomography has become a standard tool for diagnosing and monitoring glaucoma.
Ideal at any stage of your career, this easytouse, clinically oriented handbook provides a quick, templated, and portable guide for the interpretation of optical. Macular volume determined by optical coherence tomography. Ideal at any stage of your career, this easytouse, clinically oriented handbook provides a quick, templated, and portable guide for the interpretation of optical coherence tomography scans. Nov 26, 2011 optical coherence tomography this is what we wanted 4. The interpretation of oct image is based on analysing tissue reflectivity. Shah, md, retina specialist at ophthalmic consultants of boston, discussed. Agerelated macular degeneration amd is the leading cause of severe visual loss in people aged 50 years or older in the developed world. Ocular coherence tomography has revolutionized the way we examine the macula, affording us a view of. A 12 x 9 mm wide area image centered on the macula can be captured with the retina scan duo.
Viewers are given an overview of scanning protocols on various sdoct systems as lecturers present an organized. The author uses a series of case studies to illustrate examples of pathology that may present in routine practice. Evaluation of agerelated macular degeneration with. B as the pseudooperculum lifts, the hole goes to stage 2 and becomes apparent on clinical examination, vision 2070. Annotated images allow you to sharpen your skills and differentiate between true pathology and masquerading disease. The complete idiots guide to macular oct interpretation. This cet article explores the use of oct for the detection, diagnosis and management of macula abnormalities. The 9 x 9 mm normative database provides a colorcoded map indicating distribution range of the patients macular thickness in a population of normal eyes. Ensure that the image is in the center and the lines are placed appropriately. The basics of retinal oct optometry symposium hilary wilson, m. Evaluation of agerelated macular degeneration with optical.
Interpretation of oct american academy of ophthalmology. The studies based on rta and introduction of timedomain optical coherence tomography tdoct had offered evidence promoting macular thickness as surrogate parameter in assessment of glaucoma 1. A recent study examining how quickly macular holes can close postoperatively using oct found closed macular holes in 10 of eyes 76. Spectralis oct the modular imaging platform heidelberg. Basic oct interpretation of normal macular morphology. Seeos significance of macular thickness in glaucoma. Retinal physician appropriate interpretation of oct imaging. Figure 1 a healthy retinal oct bscan showing the macula. Optical coherence tomography in macular hole management. The image produced by the oct is a reconstruction of the retina based on light waves, so a thorough understanding of the same is necessary.
Macular volume determined by optical coherence tomography as. Apr 01, 20 optical coherence tomography in macular hole management preoperative, intraoperative, and postoperative roles. This is an oct picture, and this is a histology of the macula. These lines are what generate the thickness measurements by the automated software. Interpret imagery and identify masquerading pathologies. Education lab advances in retinal pharmacology have significantly improved outcomes for patients with a range of chronic retinal conditions, including agerelated macular degeneration, macular edema, retinal vascular disorders and diseases of the vitreomacular interface. Our ability to help our patients often depends on technology, and one of the most useful technologies to come along in. Macular thickness analysis for glaucoma diagnosis and. Mar 15, 2016 oct is especially helpful in detecting early cnv in patients with new complaints of metamorphopsia or unexplained blurred vision. Our ability to help our patients often depends on technology, and one of the most useful technologies to come along in recent years is optical coherence tomography. With handbook of retinal oct, you can master the latest imaging methods used to evaluate retinal disease, uveitis, and optic nerve disorders. Oct interpretation in retinal disease executive clinical director retina and macula specialists jay m. Measurements of the retinal thickness based on automatically set border lines created by threshold algorithm provide information concerning the amount of intraretinal fluid and activity of the. Use of oct becomes more common prior to cataract surgery.
Executive clinical director retina and macula specialists. So its very easy for us to look at the images to interpret the different structures in the. Guide to interpreting spectral domain oct by patty seiden. Macular thickness analysis for glaucoma diagnosis and management. Macular diseases, optical coherence tomography biomarkers, optical. Oct is using light to create a cross sectional image of the retina. Optical coherence tomography retina scan duo retina. In the 20 years since macular hole surgery was first reported by kelly and wendel, our knowledge of and ability to treat macular holes has improved dramatically. The use of sdoct in children is attractive as they may be unable to perform reliable visual fields. Zeiss offers clinicians a fullspectrum of oct models cirrus 6000, cirrus 5000, and cirrus 500 that deliver essential to the most advanced imaging solutions and are catered to. Macular hole, stage 4 complete hole, oedema at margins, complete pvd 28.
Macular hole, stage 1 no depression, cyst present 6. Apr 15, 2014 furthermore, sd oct arrived on the scene at an opportune time, as the baby boomers are at a point in life at which corneal, lenticular, macular and optic nerve issues are more commonplace. Oct is a sensitive imaging technique for demonstrating the presence and grade of a macular hole, and to determine whether anatomical closure has occurred postoperatively. Two patients at the onset of symptoms with early stage macular holes and one patient following repair were followed with serial octs. This is part of the spectral domain oct interpretation for the general ophthalmologist series, which focuses on use of sdoct in patients with glaucoma and retinal disease.
Carl zeiss meditec advanced ocular care arctic dx macula risk genentech lampa advisory oct cross section of retinal. Spectraldomain oct is the standardofcare in routine every day clinical practice. Optical coherence tomography for agerelated macular. In recent years, major advances have been made in the treatment of amd, with the introduction of antiangiogenic agents, offering the first hope of significant visual recovery for patients with neovascular amd. This is part of the spectral domain oct interpretation for the general ophthalmologist series, which focuses on use of sd oct in patients with glaucoma and retinal disease. Interpretation of optic coherence tomography images. Oct, multiple scanning laser fundus imaging modalities, widefield and ultrawidefield, scanning laser angiography and oct angiography. Rgc axons make up the retinal nerve fiber layer rnfl and exit the eye through the optic nerve. Haynie, od, faao financial disclosure i have received honoraria or am on the advisory board for the following companies. Macular hole erm with lamellar macular hole epi retinal membrane erm epiretinal membrane 2 weeks post op. The optical coherence tomography in agerelated macular. Secrets to success knowing the advantages and potential pitfalls of this technology can help you make it an effective diseasemonitoring tool. Optical coherence tomography oct is a noninvasive crosssectional imaging technique for biological systems. Jun 10, 2010 part one introduction optical coherence tomography oct is an essential tool for diagnosing and managing retinal diseases and glaucoma.
Macular testing may be useful prior to cataract surgery. Macular hole, stage 3 hole extends to rpe, increased thickness, some fluid 8. Application of optical coherence tomography and macular. A, retinal thickness and volume report that shows the optical coherence tomography oct images, fundus images, thickness and volume charts, and macular thickness maps for each eye of a control participant without disease fast macular thickness map scanning protocol. Zeiss offers clinicians a fullspectrum of oct models cirrus 6000, cirrus 5000, and cirrus 500 that deliver essential to the most advanced imaging solutions and are catered to meet individual needs and challenges.
A, retinal thickness and volume report that shows the optical coherence tomography oct images, fundus images, thickness and volume charts, and macular thickness maps for each eye of a control participant without disease fastmacularthickness map scanning protocol. Apply your knowledge, make a diagnosis, and formulate an effective treatment plan. Pdf optical coherence tomography is a quick, non invasive and reproducible imaging tool for macular lesions and has become an essential part of retina. Optical coherence tomography or oct has become a critical tool in the fight against many eye diseases, especially the top three known to cause blindness macular degeneration, diabetic retinopathy and glaucoma. The diagnostic function of oct in diabetic maculopathy. May, 2014 education lab advances in retinal pharmacology have significantly improved outcomes for patients with a range of chronic retinal conditions, including agerelated macular degeneration, macular edema, retinal vascular disorders and diseases of the vitreomacular interface. So its very easy for us to look at the images to interpret the different structures in the retina. Compare and contrast against a healthy macula using applied knowledge of ocular anatomy. Optical coherence tomography this is what we wanted 4.
Descriptive interpretation of oct ophthalmic photographers society. Oct atlas, optical coherence tomography good hope eye clinic. A wide range of scanning patterns are available to allow the. No part of this book may be reproduced or transmitted in any form or by any means. Named as one of the top ten medical innovations, optical coherence tomography oct is being used to battle macular degeneration.
Maximizing the efficacy of available treatments requires the appropriate use of optical coherence tomography oct to. Application of optical coherence tomography and macular holes. To use a new medium to dynamically visualize serial optical coherence tomography oct scans in order to illustrate and elucidate the pathogenesis of idiopathic macular hole formation, progression, and surgical closure. November 2, 2008 question how many ophthalmic imaging tests. It is quite intuitive, but prior to discussing the aspects of the retinal architecture seen in oct, the physical foundations of the obtained images should be explained. Optical coherence tomography this is what we got 5. Optical coherence tomography oct for macular degeneration. Artifact alert as more glaucoma specialists rely on this technology, being aware of its limitations has become increasingly important. Practical handbook of oct bruno lumbroso, marco rispoli. Beginning with practical guidance on obtaining clear oct images, this handbook presents a. Guide to interpreting spectral domain oct by patty seiden issuu. Optical coherence tomography in macular hole management preoperative, intraoperative, and postoperative roles.
Interpreting macular oct imaging centre for eye health. Indications for optical coherence tomography oct scanning indications for optical coherence tomography oct scanning. Furthermore, sdoct arrived on the scene at an opportune time, as the baby boomers are at a point in life at which corneal, lenticular, macular and optic nerve issues are more commonplace. Jan 17, 2014 with handbook of retinal oct, you can master the latest imaging methods used to evaluate retinal disease, uveitis, and optic nerve disorders. Oct case studies of the macula association of optometrists. Elevate your eye care skills with imagerich content and relevant case examples that empower you to treat patients more effectively. Viewers are given an overview of scanning protocols on various sd oct systems as lecturers present an organized method for analysis of images and identification of pathology. Macular thickness measurements have been shown to be lower in children with glaucoma and mirrored the performance of peripapillary rnfl. This platform allows clinicians to configure each spectralis to the specific diagnostic workflow in the practice or clinic. My initial impression was that it deserved a score of 55 in.