Visual and refractive outcome of one-site phacotrabeculectomy compared with temporal approach phacoemulsification

Figures & data

Table 1 Patient demographics

	Phacoemulsification group	Phacotrabeculectomy group
Female	65 (72.2%)	45 (50%)
Male	25 (27.7%)	45 (50%)
Mean age	70.95 ± 7.4 years	70.65 ± 7.39 years

Figure 1 Phacoemulsification: Pre-op versus post-op.

Figure 2 Phacotrabeculectomy: Pre-op versus post-op.

Figure 3 BCVA lines lost/gained.

Abbreviation: BCVA, best corrected visual acuity.

Table 2 Postoperative complications

	Phacoemulsification group	Phacotrabeculectomy group
Cystoid macular edema	1	1
Postoperative uveitis	0	4
Nonfunctioning bleb + needling	N/A	15
Choroidal effusion	N/A	2
Encapsulated bleb	N/A	1
Postoperative 5FU	N/A	7
Bleb refashioning	N/A	1
Leaking bleb	N/A	1
Endophthalmitis	0	1

Table 3 Pre- and postoperative mean spherical equivalent in the study groups

	Preoperative mean spherical equivalent	Mean spherical equivalent of the intended refraction	Postoperative mean spherical equivalent
Phacoemulsification group	2.59D ± 0.21D	0.52D ± 0.05D	0.87D ± 0.03D
Phacotrabeculectomy group	2.15D ± 0.16D	0.50D ± 0.05D	1.03D ± 0.018D

Table 4 Statistics for the visual outcome presented as DE: Independent samples test

	Levene’s test for equality of variance		t-test for equality of means
	F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std error Difference	95 Confidence interval of the difference
								Lower	Upper
DE preop
Equal variances assumed	1.241	0.267	1.453	178	0.148	0.6667	0.45877	−0.2388	1.572
Equal variances not assumed			1.453	173.44	0.148	0.666	0.45877	−0.2388	1.572
DE postop
Equal variances assumed	3.159	0.077	0.383	177	0.702	0.07207	0.18821	−0.2993	0.4434
Equal variances not assumed			0.383	171.94	0.702	0.07207	0.18802	−0.2990	0.4431

Abbreviations: DE, defocused equivalent; df, ; F, ; Sig., ; t,.

Figure 4 Analysis of postoperative spherical equivalent.

Figure 5 Analysis of postoperative with the rule astigmatism.

Figure 6 Analysis of postoperative against the rule astigmatism.

Table 5 Astigmatic results of the phacoemulsification group and phacotrabeculectomy group

	Preoperative		Postoperative		CI/p value
	Phacoemulsification	Phacotrabeculectomy	Phacoemulsification	Phacotrabeculectomy
WTR	14.4%	12.2%	24.4%	33.3%	−4.3% to +22.15%
					p = 0.186
ATR	34.4%	33.3%	37.7%	30%	−6% to +21.6%
					p = 0.269
Oblique	21.1%	23.3%	14.4%	13.3%	−9% to +11.2%
					p = 0.83

Abbreviations: ATR, against-the-rule; WTR, with-the-rule.