Table 2

Terms and definitions used for assessment of treatment efficacy

ScoreParameter evaluatedDefinition
*Based on rating scale described in Table 1.
Microbial outcomeChange from baseline culture results
    Resolved0Absence of baseline organisms, no growthEradication
    Improved1Reduction below pathogenic criteria
    No change2No response or overall improvementNon-resolved
    Worse3Increase in baseline organisms
Clinical outcomeChange from baseline in cardinal signs
    Resolved0Absence of cardinal signsCure
    Improved1At least a 1 unit improvement*
    No change2No overall responseNon-resolved
    Worse3At least a 1 unit worsening
Ocular signs and symptomsChange from baseline
    Resolved0Absence of ocular sign or symptomResolved
    Improved1At least a 1 unit improvement
    No change2No overall responseNon-resolved
    Worse3At least a 1 unit worsening