NCT01073150.

Study name	Tea tree oil in the treatment of chronic blepharitis
Methods	Study design: randomized controlled trial Study grouping: parallel group
Participants	Baseline characteristics No TTO group Number of participants: NR Age: NR Women %: NR Demodex count per eyelash: NR OSDI score: NR Visual acuity: NR Number of cylindrical dandruff: NR TTO (intervention) group Number of participants: NR Age: NR Women %: NR Demodex count per eyelash: NR OSDI score: NR Visual acuity: NR Number of cylindrical dandruff: NR Overall Number of participants: NR Age: NR Women %: NR Demodex count per eyelash: NR OSDI score: NR Visual acuity: NR Number of cylindrical dandruff: NR Inclusion criteria: chronic blepharitis without previous treatment Exclusion criteria: aged < 18 years; pregnant woman; ocular surface disease (severe dry eye, lagoftalmo, entropium, ectropium) Pretreatment: NR
Interventions	Intervention characteristics No TTO group TTO shampoo 0.25% and ointment 5% daily Frequency (or dosing schedule): once a day Concentration: shampoo 0.25% and ointment 5% TTO (intervention) group TTO solution 50% once a week for 6 weeks Frequency (or dosing schedule): once a week Concentration: 50%
Outcomes	NR
Starting date	April, 2009
Contact information	clinicaltrials.gov/show/nct01073150
Notes