Table 2.
Comparison of SVP Detection Devices
| Ophthalmoscope | |||||
|---|---|---|---|---|---|
| Characteristic | Tablet Based | Direct (Traditional) | Indirect | Heidelberg-Spectralis OCT | Dynamic Vessel Analyzer (DVA) |
| Portability | ✓ | ✓ | ✓ | ✕ | ✕ |
| Lens strength (D) | 20 | 5 | Varied | 20 | |
| Approximate cost of device (AUD) | 1700 | ≥600 | ≥2500 | ∼120,000 | Add-on to Heidelberg-Spectralis OCT |
| Ease of Use | Technical Training Required | Medical Training Required | Technical Training Required | ||
| Dilation required | ✓ | ✓ | ✓ | ✕ | ✓ |
| Frame rate (fps) | 30 | n/a | n/a | 15 | 25 |
| Resolution | 77 µm/pixel | n/a | n/a | 10 µm/pixel | |
| Field of view (degrees) | 46 | 5 | Varied | 25–3525 | |
n/a, not applicable.