Reference to original study: Azuara-Blanco A, Burr J, Ramsay C, Cooper D, Foster PJ, Friedman DS, et al. Effectiveness of early lens extraction for the treatment of primary angle-closure glaucoma (EAGLE): a randomised controlled trial. Lancet. 2016;388(10052):1389–1397.

Fig. 1
figure 1

The Effectiveness in Angle-closure Glaucoma of Lens Extraction (EAGLE) study showed that clear lens extraction was more cost-effective than peripheral iridotomy and topical medication for the treatment of primary angle closure and primary angle closure glaucoma at 3 years. IOP intraocular pressure, PAC primary angle closure, PACG primary angle closure glaucoma, CLE clear lens extraction, PI peripheral iridotomy.