Impact of mono- or multitherapy on ocular surface health and quality of life after 5 years of follow-up in the Glaucoma Intensive Treatment Study (GITS).
Jóhannesson Gauti, Lindén Christina, Aspberg Johan, Andersson-Geimer Sabina, Heijl Anders, Bengtsson Boel et al.
This 5-year study found no difference in ocular surface disease between mono- and multitherapy glaucoma patients. However, a subgroup had severe OSD, suggesting laser or preservative-free drops for them.