Conjunctival edema (chemosis) can be graded based on its severity.
The left and right eyes are graded separately.
|
Conjunctival Edema
|
Grade
|
|
none
|
0
|
|
present, without drellen
|
1
|
|
present, with drellen
|
2
|
|
present, with prolapse through the palpebral aperture
|
3
|
where:
• A drellen is a shallow, saucer-shaped depression at the margin of the cornea.
