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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Method B5 of Commission Directive 2004/73/EC
GLP compliance:
yes

Test material

Constituent 1
Details on test material:
Nature of substance: Pale yellow powder.

Test animals / tissue source

Species:
other: Rabbit, New Zealand White

Test system

Amount / concentration applied:
CA 60 MG
Number of animals or in vitro replicates:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Time point:
other: overall at 24, 48 and 72 h
Score:
2
Max. score:
2
Remarks on result:
other: Max. duration: 48 h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
chemosis score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.33
Irritation parameter:
chemosis score
Time point:
other: overall at 24, 48 and 72 h
Score:
1
Max. score:
1
Remarks on result:
other: Max. duration: 24 h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
cornea opacity score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Max. score:
0
Remarks on result:
other: Max. duration: h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
iris score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Time point:
other: overall at 24, 48 and 72 h
Score:
1
Max. score:
1
Remarks on result:
other: Max. duration: 1 h; Max. value at end of observation period: 0 (related to all animals)
Irritant / corrosive response data:
Reversibility of any observed effect: Changes fully reversible within 3 days
Other effects:
No corneal effects were noted during the study.


Iridial inflammation was noted in all treated eyes one hour
after treatment.



Moderate conjunctival irritation was noted in all treated
eyes one hour after treament with minimal conjunctival
irritation noted in all treated eyes at the 24 and 48 hour
observations.


All treated eyes appeared normal at the 72 hour observation.

Applicant's summary and conclusion

Interpretation of results:
other: not classified