Efficacy of two trabecular micro-bypass stents combined with topical travoprost in open-angle glaucoma not controlled on two preoperative medications: 3-year follow-up

Figures & data

Figure 1 Subject flowchart through 37-month follow-up period.

Abbreviation: LTFU, lost to follow-up.

Figure 2 IOP reduction ≥20% versus baseline IOP with reduction of 1 medication.^a

Note: ^aExcludes IOP after secondary surgery.
Abbreviation: IOP, intraocular pressure.

Figure 3 IOP ≤18 mmHg with reduction of 1 medication.^a

Note: ^aExcludes IOP after secondary surgery.
Abbreviation: IOP, intraocular pressure.

Figure 4 Mean IOP over time.^a

Notes: ^aExcludes IOP after secondary surgery. ^bIOP measured after medication washout. ^cTrabeculectomy for 1 subject at 24 months. ^dTwo subjects not included in analysis had second medication added at 36 months.
Abbreviations: IOP, intraocular pressure; SD, standard deviation; M, month.

Table 1 Screening and annual postoperative mean C:D ratio, visual field, and central corneal thickness, available eyes at each visit

Ocular parameter	Screening, N=39	Month 12, N=39	Month 24, N=38	Month 36, N=37
C:D ratio, mean (SD)	0.7 (0.1)	0.7 (0.1)	0.7 (0.1)	0.7 (0.1)
VF–mean deviation (dB), mean (SD)	−6.4 (6.9)	−5.9 (7.1)	−5.2 (7.1)	−5.2 (6.8)
VF–pattern SD (dB), mean (SD)	3.0 (1.9)	2.1 (2.5)	3.1 (2.5)	2.5 (2.3)
Corneal thickness (µm), mean (SD)	540.9 (40.3)	541.1 (41.1)	543.3 (40.3)	543.3 (40.9)

Abbreviations: C:D, cup:disc; SD, standard deviation; VF, visual field.