Brief Description

Diabetic Retinopathy (DR) is the damage caused to retina by complications of diabetes which can eventually lead to blindness. Presently the ratio of ophthalmologist to general population is 1 : 80,000 which makes it nearly impossible to implement screening programs manually with human expertise alone. DRISTI, using quantitative image analysis algorithms, analyses retinal fundus images for DR lesions and directs DR suspicious cases for detailed ophthalmologist review. DR negative cases are screened out without ophthalmologist intervention.

Main uses and domain

• Ophthalmology Departments of Medical Colleges.

• Diabetics Clinics.

• Eye Testing Centres

• Primary Health Centres

• Mobile Ophthalmology Units

Features and Technical Specifications

• Automatically classifies retina as either Non DR or suspicious of DR.

• Only cases having suspicion of DR need ophthalmologist consultation.

• Patient prioritization based on automated severity scoring

• Increases screening efficiency up to 78% .

• Real-time image quality notification for reimaging.

• Detects retinal pathologies like micro aneurisms, haemorrhages, exudates, cotton wool spots.

• Intuitive GUI for automated analysis of image level, patient level and patient batch.

• Systematic storage of patient details and analysis results.

Platform required(if any)

• Fundus camera

• 40-50 deg field of view

• Min 3MP color sensor

• Software for image capture and archival along with patient details

• Provision to capture image in lossless formats like BMP, TIFF etc.

Workstation

• Core i5, 3 Ghz with 4GB RAM or better configuration

• Monitor with 1920x1080 resolution

• Windows 7 64 bit OS

Workspace

• Motorized table with height adjustment for mounting the fundus camera

• Enclosed room with controlled lighting, so as not to interfere with the imaging

• Clinical infrastructure to administer pupil dilation if required

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Contact Details for Techno Commercial Information

DR ALEXANDER G
Group Head,
Health Informatics & Software Technology Group,
C-DAC,Thiruvananthapuram
email - alex@cdac.in