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Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27/01/1999 to 04/02/1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Test material form:
liquid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: David Percival Ltd. Cheshire, UK.
- Age at study initiation: 12-16 weeks.
- Weight at study initiation: 3.10-3.43 kg.
- Housing: Individually housed in suspended metal cages.
- Diet (e.g. ad libitum): Ad libitum.
- Water (e.g. ad libitum): Ad libitum.
- Acclimation period: Minimum of 5 days.

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17-22
- Humidity (%): 44-70
- Air changes (per hr): Approximately 15.
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: No data

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 ml
Duration of treatment / exposure:
N/A
Observation period (in vivo):
72 hours
Number of animals or in vitro replicates:
Three
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Not done.
- Time after start of exposure: N/A

SCORING SYSTEM: Draize, 1977

TOOL USED TO ASSESS SCORE: standard ophthalmoscope.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #1
Time point:
24/48/72 h
Score:
1
Max. score:
3
Reversibility:
fully reversible within:
Remarks:
72 hours
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #3
Time point:
24/48/72 h
Score:
1
Max. score:
3
Reversibility:
fully reversible within: 72 hours
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0.3
Max. score:
4
Reversibility:
fully reversible within: 48 hours
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
chemosis score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0.66
Max. score:
4
Reversibility:
fully reversible within: 72 hours
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0

Any other information on results incl. tables

Table 1 Eye irritation results

 Rabbit  Time after treatment (hr)  Corneal opacity Iridial inflammation   Conjunctival redness  Conjunctival chemosis
 Female 1  24  0 0  2  1
   48  0  0  1  0
   72  0  0  0
   Mean  0  0  1  0.3
 Female 2  24  0  0  0  0
   48  0  0  0  0
   72  0  0  0  0
   Mean  0  0  0  0
 Male  24  0  0  2  1
   48  0  0  1  1
   72  0  0  0  0
   Mean  0  0  1  0.7

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test substance was not irritating to the eyes of rabbits in an eye irritation test conducted according to OECD 405 and in compliance with GLP.