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Table 3 Comparison of fundus imaging systems

From: Characterization of the retinal vasculature in fundus photos using the PanOptic iExaminer system

  Direct Ophthalmoscope PanOptic iExaminer System Traditional Fundus Camera (Topcon TRC-NW8F) Ultrawide field SLO (Optos California af)
Field of View 25° - 30° 45° 200°
Resolution N/A 720 × 1280 pixel 16.2 megapixel 14 μm
Portability Yes Yes No No
Cost Low Low High Very High
Smart Phone Adapted No Yes No No
Availability for Screening Yes Yes No No