Journal
BRITISH JOURNAL OF OPHTHALMOLOGY
Volume 106, Issue 5, Pages 633-639Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/bjophthalmol-2020-317825
Keywords
retina; diagnostic tests; investigation; imaging
Categories
Funding
- Science and Technology Planning Projects of Guangdong Province [2019B030316012]
- National Key R&D Program of China [2018YFC0116500]
- Guangdong Science and Technology Innovation Leading Talents [2017Tx04R031]
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The study aimed to develop an artificial intelligence system using deep learning technology to identify vision-threatening conditions in high myopia patients based on OCT macular images. The AI system achieved reliable sensitivities and high specificities, comparable to those of retina specialists, and may be used for large-scale screening and patient follow-up.
Background/aims To apply deep learning technology to develop an artificial intelligence (AI) system that can identify vision-threatening conditions in high myopia patients based on optical coherence tomography (OCT) macular images. Methods In this cross-sectional, prospective study, a total of 5505 qualified OCT macular images obtained from 1048 high myopia patients admitted to Zhongshan Ophthalmic Centre (ZOC) from 2012 to 2017 were selected for the development of the AI system. The independent test dataset included 412 images obtained from 91 high myopia patients recruited at ZOC from January 2019 to May 2019. We adopted the InceptionResnetV2 architecture to train four independent convolutional neural network (CNN) models to identify the following four vision-threatening conditions in high myopia: retinoschisis, macular hole, retinal detachment and pathological myopic choroidal neovascularisation. Focal Loss was used to address class imbalance, and optimal operating thresholds were determined according to the Youden Index. Results In the independent test dataset, the areas under the receiver operating characteristic curves were high for all conditions (0.961 to 0.999). Our AI system achieved sensitivities equal to or even better than those of retina specialists as well as high specificities (greater than 90%). Moreover, our AI system provided a transparent and interpretable diagnosis with heatmaps. Conclusions We used OCT macular images for the development of CNN models to identify vision-threatening conditions in high myopia patients. Our models achieved reliable sensitivities and high specificities, comparable to those of retina specialists and may be applied for large-scale high myopia screening and patient follow-up.
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