Consensus Definition for Atrophy Associated with Age-Related Macular Degeneration on OCT. Classification of Atrophy Report 3

Srinivas R. Sadda, Robyn Guymer, Frank G. Holz, Steffen Schmitz-Valckenberg, Christine A. Curcio, Alan C. Bird, Barbara A. Blodi, Ferdinando Bottoni, Usha Chakravarthy, Emily Y. Chew, Karl Csaky, Ronald P. Danis, Monika Fleckenstein, K. Bailey Freund, Juan Grunwald, Carel B. Hoyng, Glenn J. Jaffe, Sandra Liakopoulos, Jordi M. Monés, Daniel Pauleikhoff & 7 others Philip J Rosenfeld, David Sarraf, Richard F. Spaide, Ramin Tadayoni, Adnan Tufail, Sebastian Wolf, Giovanni Staurenghi

Research output: Contribution to journalArticle

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Abstract

Purpose: To develop consensus terminology and criteria for defining atrophy based on OCT findings in the setting of age-related macular degeneration (AMD). Design: Consensus meeting. Participants: Panel of retina specialists, image reading center experts, retinal histologists, and optics engineers. Methods: As part of the Classification of Atrophy Meetings (CAM) program, an international group of experts surveyed the existing literature, performed a masked analysis of longitudinal multimodal imaging for a series of eyes with AMD, and reviewed the results of this analysis to define areas of agreement and disagreement. Through consensus discussions at 3 meetings over 12 months, a classification system based on OCT was proposed for atrophy secondary to AMD. Specific criteria were defined to establish the presence of atrophy. Main Outcome Measures: A consensus classification system for atrophy and OCT-based criteria to identify atrophy. Results: OCT was proposed as the reference standard or base imaging method to diagnose and stage atrophy. Other methods, including fundus autofluorescence, near-infrared reflectance, and color imaging, provided complementary and confirmatory information. Recognizing that photoreceptor atrophy can occur without retinal pigment epithelium (RPE) atrophy and that atrophy can undergo an evolution of different stages, 4 terms and histologic candidates were proposed: complete RPE and outer retinal atrophy (cRORA), incomplete RPE and outer retinal atrophy, complete outer retinal atrophy, and incomplete outer retinal atrophy. Specific OCT criteria to diagnose cRORA were proposed: (1) a region of hypertransmission of at least 250 μm in diameter, (2) a zone of attenuation or disruption of the RPE of at least 250 μm in diameter, (3) evidence of overlying photoreceptor degeneration, and (4) absence of scrolled RPE or other signs of an RPE tear. Conclusions: A classification system and criteria for OCT-defined atrophy in the setting of AMD has been proposed based on an international consensus. This classification is a more complete representation of changes that occur in AMD than can be detected using color fundus photography alone. Longitudinal information is required to validate the implied risk of vision loss associated with these terms. This system will enable such future studies to be undertaken using consistent definitions.

Original languageEnglish (US)
JournalOphthalmology
DOIs
StateAccepted/In press - Jan 1 2017

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Macular Degeneration
Atrophy
Retinal Pigment Epithelium
Consensus
Color
Multimodal Imaging
Photography
Terminology

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Sadda, S. R., Guymer, R., Holz, F. G., Schmitz-Valckenberg, S., Curcio, C. A., Bird, A. C., ... Staurenghi, G. (Accepted/In press). Consensus Definition for Atrophy Associated with Age-Related Macular Degeneration on OCT. Classification of Atrophy Report 3. Ophthalmology. https://doi.org/10.1016/j.ophtha.2017.09.028

Consensus Definition for Atrophy Associated with Age-Related Macular Degeneration on OCT. Classification of Atrophy Report 3. / Sadda, Srinivas R.; Guymer, Robyn; Holz, Frank G.; Schmitz-Valckenberg, Steffen; Curcio, Christine A.; Bird, Alan C.; Blodi, Barbara A.; Bottoni, Ferdinando; Chakravarthy, Usha; Chew, Emily Y.; Csaky, Karl; Danis, Ronald P.; Fleckenstein, Monika; Freund, K. Bailey; Grunwald, Juan; Hoyng, Carel B.; Jaffe, Glenn J.; Liakopoulos, Sandra; Monés, Jordi M.; Pauleikhoff, Daniel; Rosenfeld, Philip J; Sarraf, David; Spaide, Richard F.; Tadayoni, Ramin; Tufail, Adnan; Wolf, Sebastian; Staurenghi, Giovanni.

In: Ophthalmology, 01.01.2017.

Research output: Contribution to journalArticle

Sadda, SR, Guymer, R, Holz, FG, Schmitz-Valckenberg, S, Curcio, CA, Bird, AC, Blodi, BA, Bottoni, F, Chakravarthy, U, Chew, EY, Csaky, K, Danis, RP, Fleckenstein, M, Freund, KB, Grunwald, J, Hoyng, CB, Jaffe, GJ, Liakopoulos, S, Monés, JM, Pauleikhoff, D, Rosenfeld, PJ, Sarraf, D, Spaide, RF, Tadayoni, R, Tufail, A, Wolf, S & Staurenghi, G 2017, 'Consensus Definition for Atrophy Associated with Age-Related Macular Degeneration on OCT. Classification of Atrophy Report 3', Ophthalmology. https://doi.org/10.1016/j.ophtha.2017.09.028
Sadda, Srinivas R. ; Guymer, Robyn ; Holz, Frank G. ; Schmitz-Valckenberg, Steffen ; Curcio, Christine A. ; Bird, Alan C. ; Blodi, Barbara A. ; Bottoni, Ferdinando ; Chakravarthy, Usha ; Chew, Emily Y. ; Csaky, Karl ; Danis, Ronald P. ; Fleckenstein, Monika ; Freund, K. Bailey ; Grunwald, Juan ; Hoyng, Carel B. ; Jaffe, Glenn J. ; Liakopoulos, Sandra ; Monés, Jordi M. ; Pauleikhoff, Daniel ; Rosenfeld, Philip J ; Sarraf, David ; Spaide, Richard F. ; Tadayoni, Ramin ; Tufail, Adnan ; Wolf, Sebastian ; Staurenghi, Giovanni. / Consensus Definition for Atrophy Associated with Age-Related Macular Degeneration on OCT. Classification of Atrophy Report 3. In: Ophthalmology. 2017.
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abstract = "Purpose: To develop consensus terminology and criteria for defining atrophy based on OCT findings in the setting of age-related macular degeneration (AMD). Design: Consensus meeting. Participants: Panel of retina specialists, image reading center experts, retinal histologists, and optics engineers. Methods: As part of the Classification of Atrophy Meetings (CAM) program, an international group of experts surveyed the existing literature, performed a masked analysis of longitudinal multimodal imaging for a series of eyes with AMD, and reviewed the results of this analysis to define areas of agreement and disagreement. Through consensus discussions at 3 meetings over 12 months, a classification system based on OCT was proposed for atrophy secondary to AMD. Specific criteria were defined to establish the presence of atrophy. Main Outcome Measures: A consensus classification system for atrophy and OCT-based criteria to identify atrophy. Results: OCT was proposed as the reference standard or base imaging method to diagnose and stage atrophy. Other methods, including fundus autofluorescence, near-infrared reflectance, and color imaging, provided complementary and confirmatory information. Recognizing that photoreceptor atrophy can occur without retinal pigment epithelium (RPE) atrophy and that atrophy can undergo an evolution of different stages, 4 terms and histologic candidates were proposed: complete RPE and outer retinal atrophy (cRORA), incomplete RPE and outer retinal atrophy, complete outer retinal atrophy, and incomplete outer retinal atrophy. Specific OCT criteria to diagnose cRORA were proposed: (1) a region of hypertransmission of at least 250 μm in diameter, (2) a zone of attenuation or disruption of the RPE of at least 250 μm in diameter, (3) evidence of overlying photoreceptor degeneration, and (4) absence of scrolled RPE or other signs of an RPE tear. Conclusions: A classification system and criteria for OCT-defined atrophy in the setting of AMD has been proposed based on an international consensus. This classification is a more complete representation of changes that occur in AMD than can be detected using color fundus photography alone. Longitudinal information is required to validate the implied risk of vision loss associated with these terms. This system will enable such future studies to be undertaken using consistent definitions.",
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AU - Sadda, Srinivas R.

AU - Guymer, Robyn

AU - Holz, Frank G.

AU - Schmitz-Valckenberg, Steffen

AU - Curcio, Christine A.

AU - Bird, Alan C.

AU - Blodi, Barbara A.

AU - Bottoni, Ferdinando

AU - Chakravarthy, Usha

AU - Chew, Emily Y.

AU - Csaky, Karl

AU - Danis, Ronald P.

AU - Fleckenstein, Monika

AU - Freund, K. Bailey

AU - Grunwald, Juan

AU - Hoyng, Carel B.

AU - Jaffe, Glenn J.

AU - Liakopoulos, Sandra

AU - Monés, Jordi M.

AU - Pauleikhoff, Daniel

AU - Rosenfeld, Philip J

AU - Sarraf, David

AU - Spaide, Richard F.

AU - Tadayoni, Ramin

AU - Tufail, Adnan

AU - Wolf, Sebastian

AU - Staurenghi, Giovanni

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Y1 - 2017/1/1

N2 - Purpose: To develop consensus terminology and criteria for defining atrophy based on OCT findings in the setting of age-related macular degeneration (AMD). Design: Consensus meeting. Participants: Panel of retina specialists, image reading center experts, retinal histologists, and optics engineers. Methods: As part of the Classification of Atrophy Meetings (CAM) program, an international group of experts surveyed the existing literature, performed a masked analysis of longitudinal multimodal imaging for a series of eyes with AMD, and reviewed the results of this analysis to define areas of agreement and disagreement. Through consensus discussions at 3 meetings over 12 months, a classification system based on OCT was proposed for atrophy secondary to AMD. Specific criteria were defined to establish the presence of atrophy. Main Outcome Measures: A consensus classification system for atrophy and OCT-based criteria to identify atrophy. Results: OCT was proposed as the reference standard or base imaging method to diagnose and stage atrophy. Other methods, including fundus autofluorescence, near-infrared reflectance, and color imaging, provided complementary and confirmatory information. Recognizing that photoreceptor atrophy can occur without retinal pigment epithelium (RPE) atrophy and that atrophy can undergo an evolution of different stages, 4 terms and histologic candidates were proposed: complete RPE and outer retinal atrophy (cRORA), incomplete RPE and outer retinal atrophy, complete outer retinal atrophy, and incomplete outer retinal atrophy. Specific OCT criteria to diagnose cRORA were proposed: (1) a region of hypertransmission of at least 250 μm in diameter, (2) a zone of attenuation or disruption of the RPE of at least 250 μm in diameter, (3) evidence of overlying photoreceptor degeneration, and (4) absence of scrolled RPE or other signs of an RPE tear. Conclusions: A classification system and criteria for OCT-defined atrophy in the setting of AMD has been proposed based on an international consensus. This classification is a more complete representation of changes that occur in AMD than can be detected using color fundus photography alone. Longitudinal information is required to validate the implied risk of vision loss associated with these terms. This system will enable such future studies to be undertaken using consistent definitions.

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