Qualitative image assessment based on the 5-point Likert scale
| Score | Overall Image Quality | Artifacts | Tumor Sharpness | Tumor Conspicuity |
|---|---|---|---|---|
| 1 | Nondiagnostic | Nondiagnostic | Nondiagnostic | Mass unidentifiable |
| 2 | Substantial deficiency in image quality | Marked impact on diagnosis | Not sharp | No differentiation between mass and vitreous |
| 3 | Moderate image quality | Moderate impact on diagnosis | Little sharp | Subtle mass lesion |
| 4 | Good image quality | Minimal impact on diagnosis | Moderately sharp | Well-seen mass lesion |
| 5 | Excellent image quality | No artifact | Good sharpness | Very well-seen mass lesion |