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 | 5° | 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 |