The COMS Grading Scheme: Graded Features
Preretinal Hemorrhage
Preretinal hemorrhages are located just anterior to the retina or under the internal limiting membrane. Boat-shaped hemorrhages with a fluid level are characteristic. If hemorrhages are round or linear, they were required to obscure a portion of a retinal vessel.
Severity
| None: not present |
Mild: less than 1/2 disc area (standard photograph 1)
|
Moderate: more than 1/2 disc area, but less than 2 disc areas (standard photograph 2)
|
| Severe: more than 2 disc areas |
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