Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies. [cochranelibrary.com]

Iridotomy vs No treatment [cochranelibrary.com]

Epidemiology Glaucoma is among the leading causes of blindness and, particularly due to the irreversible nature of the disease, a pressing public health challenge (Bourne 2013; Kingman 2004; Resnikoff 2004). [cochranelibrary.com]

At present, we cannot draw reliable conclusions as to whether iridotomy prevents progression of visual field loss at one year compared to no iridotomy. [cochranelibrary.com]