Refractive Outcomes After Trabecular Micro-Bypass Stents (iStent Inject) with Cataract Extraction in Open-Angle Glaucoma

Figures & data

Table 1 Pre and Postoperative Refraction

n = 89	Preop Mean ± SD	Range	Postop Mean ± SD	Range	p value
Sphere	−0.03 ± 2.63	−11.00 to 5.50D	−0.13 ± 0.50	−1.25 to 1.75D	0.508
Cylinder	−0.91 ± 0.76	−4.25 to 0.00D	−0.41 ± 0.48	−1.50 to 0.00D	<0.001
Spherical Equivalent (SE)	−0.49 ± 2.64	−11.25 to 5.00D	−0.31 ± 0.46	−1.25 to 1.63D	0.900

Abbreviations: D, diopters; SD, standard deviation.

Figure 1 Attempted SE versus achieved SE for the cohort.

Figure 2 Cumulative refractive astigmatism at the final visit.

Figure 3 Cumulative snellen visual acuity.

Abbreviations: CDVA, corrected distance visual acuity; UDVA, uncorrected distance visual acuity.

Table 2 Mean Vector-Based Variables

n = 55	Preoperative (Mean ± SD)	Postoperative (Mean ± SD)	p value
J0	−0.04 ± 0.41	−0.01 ± 0.22	0.433
J45	−0.10 ± 0.43	0.03 ± 0.22	0.005
B	1.99 ± 2.09	0.62 ± 0.96	<0.001

Figure 4 Manifest astigmatism before and after surgery.

Abbreviations: J0, vector at Jackson cross-cylinder axis 0°; J45, vector at Jackson cross-cylinder axis 45°.