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. 2020 Jun 30;14:1805–1832. doi: 10.2147/OPTH.S178348

Table 1.

Definitions of Success

Definition of Complete Success (CS) Definition of Qualified Success (QS) Definition of Failure (F)
A >5 and <18 mm Hg and reduction >20% without medications >5 and <18 mm Hg and reduction >20% with medications Loss of light perception acuity or worse, need for additional glaucoma surgery, IOP <5 mm Hg, less than 20% IOP reduction
A1 >5 and <18 mm Hg >5 and <18 mm Hg with medications
A2 >5 and <18 mm Hg and reduction >20% without medications or needling >5 and <18 mm Hg and reduction >20% with medications but without needling Loss of light perception acuity or worse, need for additional glaucoma surgery, IOP <5 mm Hg, less than 20% IOP reduction
A3 Reduction >20% without medications 5–18 mm Hg and reduction >20% with medications Loss of light perception acuity or worse, need for additional glaucoma surgery, IOP <5 mm Hg, less than 20% IOP reduction
B >5 and <15 mm Hg and ≥ 30% reduction from baseline without medications >5 and <15 mm Hg and ≥ 30% reduction from baseline with medications Need for additional glaucoma surgery, IOP <5mmHg
C Percentage of patients achieving >_20% mean diurnal IOP reduction from baseline on the same number or fewer medications NO IOP reduction <20% on the same number of medications or fewer, additional glaucoma surgery
D IOP<18 or 16 mmHg without any glaucoma medications IOP<18 or 16 mm Hg with glaucoma medications Loss of light perception acuity or worse, need for additional glaucoma surgery, less than 20% IOP reduction
D1 IOP<18 mm Hg without any glaucoma medications IOP<18 mm Hg with a maximum of 2 glaucoma medications Necessity of three or more medications or additional glaucoma surgery