The assessment was conducted by the researchers who were kept blinded about the treatment.
To avoid observer bias, the components of each eye drops was kept blinded until after statistical analysis.
Behavioral analyses were done by the same group of investigators with longstanding experience in rat behavioral studies; these were kept blinded as to treatment allocation.
Histopathologist was kept blinded about the results of Pronto Dry.
who was kept blinded to the final diagnosis.
Those involved with measurements are kept blinded of the intervention.
Investigators were kept blinded and performed all patient assessments without any knowledge of treatment assignment.
Clinical staff involved were kept blinded to treatment allocation throughout the study.
The outcome assessor and data analyst were kept blinded to allocation.
The pathological diagnosis for each sample was kept blinded until after the analysis was completed.
Laboratory personnel was kept blinded to case control status throughout the study.
