GRADES FOR OCULAR LESIONS
*Starred figures indicate lowest grade considered positive under the Federal
Hazardous Substances Act Regulation 16 CFR, 1500.42.
|
CORNEA
Opacity: Refers to degree of density |
|
|
| 0 |
No ulceration
or opacity, |
| 1* |
Scattered
or diffuse areas of
opacity, details of iris clearly visible |
| 2 |
Easily discernible
translucent area, details of iris slightly obscured |
| 3 |
Nacreous area,
no details or iris
visible, size of pupil barely discernible |
| 4 |
Complete corneal
opacity, iris not discernible |
|
|
|
CONJUNCTIVAE
Chemosis: Refers to the reaction of the lids |
|
|
| 0 |
No swelling |
| 1 |
Any
swelling abouve normal
|
| 2* |
Obvious swelling
with partial eversion of lids |
| 3 |
Swelling with
lids about half closed
|
| 4 |
Swelling with
lids more than half closed
|
|
|
| |
|
|
CONJUNCTIVAE
Redness: Refers to palpebral and bulbar conjunctivae excluding
cornea and iris |
|
|
| 0 |
Vessels normal |
| 1 |
Some
vessels definitely injected
|
| 2* |
Diffuse, crimson
red, individual vessels not easily discernible |
| 3 |
Diffuse, beefy
red
|
|
|
CONJUNCTIVAE
Discharge: Refers to the amount of excretion
|
|
|
| 0 |
No discharge |
| 1* |
Any
amount different from normal
|
| 2 |
Discharge with
moistening of the lids and hairs just adjacent of lids |
| 3 |
Discharge with
moistening of the lids and hairs, and considerable area
around the eye |
|
|
| |
|
|
IRIS
Reaction: Refers to response of iris |
|
|
| 0 |
Normal |
| 1* |
Markedly
deepened folds, congestion, swelling, moderate circumcorneal
injection, iris still reacting to light
|
| 2 |
No
reaction to light, hemorrhage, gross destruction |
|
|
|
|
