AI Screening for DR and Chronic Diseases 2018-03-29 Emma Xu, Dr. You Li
Impact of Blindness in Elderly Survival Curve for All-cause Mortality in Singapore Malay Impact of Visual Impairment and Eye diseases on Mortality: the Singapore Malay Eye Study (SiMES) Scientific Reports volume 5 , Article number: 16304 (2015)
Outline • Why are there high rate for blindness in China • How AI can be used for the early detection of eye diseases • How AI DR screening is used in hospital
Patients of Blinding Diseases in China • Blindness or Low Vision: 1 / 20 • No. of Patients Age-related • Cataract: 60 million Age-related Macula 30 million Degeneration: Glaucoma: 10 million • Chronic-diseases-related 12 million Diabetic Retinopathy: Retinal Vessel 7 million Occlusion:
Example: Diabetic Retinopathy (DR) Taking fundus image Healthy Fundus Fundus with DR Lesions
Deficiency of Ophthalmologists in the Rural China 1/5 County Hospitals have Ophthalmology Department 40% - 200% Higher prevalence of blindness than cities
AI Fundus Screening Algorithm 8.37M Fundus Photos 100+ professors/3yrs Cross labelling 30+ Diseases Recognized 2 million fundus photos Uploaded in 2017
Architecture Web Server UI Data Flow Annotation Storage Training System Storage Nvidia DR Grading GPU Server Lesion Detection General Classification Macula detection Cataract Classification Client Web Server Glaucoma Service …… Front-end GPU Server Computer or smart device AI services: Recognition/detection/inference.
Community Screening for Elderly in 4 rd -tier Cities Disease found in 60+ yrs 2/3 Positive 15% have whole-body chronic diseases 80% did not know the disease before 90% will go to hospital 28% Cataract: 14% Retinal Arteriosclerosis: 10% Age-Related Macular Degeneration: 2.1% Diabetic Retinopathy:
Screening for Working Population 21% Positive 10% Need to see a doctor 85% Did not know the disease before Age-related Macula 5% Degeneration: Probable 4% : Glaucoma: Pathological Myopia: 2.6% Retinal 2.3% Arteriosclerosis:
Prof. Li: Airdoc AI in DR screening • Li You M.D. • Dr. of Ophthalmology • Professor of Medicine • Chief Physician • Department of Ophthalmology, Changzheng Hospital Shanghai, China
Prof. Li: Airdoc AI the screening of DR(Diabetic Retinopathy)
Probably the Most Famous DR Patient
What exactly is DR? No apparent symptom in early stage Irreversible lesion Lower the risk of blindness by controlling on time Early Intervention to lower risk of glaucoma
DR Prevalence Patients of Diabetes 110 million DR Prevalence in Patients of Diabetes Prevalence of DR in Patients of Diabetes 25%-40% NDR: 62.5%-75.3% No. of Ophthalmologists 35,000 NPDR: 21.4%-30.1% No. of Doctors/No. of DR Patients PDR: 3.3%-7.4% 1/3250 DME: 5.2% CDME: 3.5%
Romote Regions of China Need Medicine and Doctors
Cataract Operation in Village
Later Period of Glaucoma TAO
Deep Learning in DR Automatic Detection on lesions
Features of Airdoc DR • Accuracy in DR grading • Lesion Detection • Seamless integration with fundus cameras
DR Patient found by Airdoc AI :Mr. Sheng
The Future of Fundus Screening More chronic diseases are found to be related to lesions in fundus • Senile Dementia • Parkinson • AIDS • Cerebral Stroke • Coronary Heart Disease • Nephropathy • Cerebral Small Vessel Disease(CSVD)
Thank You! emma@airdoc.com
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