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BackgroundTo evaluate the efficacy of unilateral lateral rectus muscle advancement surgery based on one-fourth of the angle of consecutive esotropia within 25 prism diopters (PD) occurring after bilateral lateral rectus muscle recession for intermittent exotropia.MethodsMedical records of 11 patients who underwent unilateral lateral rectus muscle advancement for consecutive esotropia from 2011 to 2014 and who were observed for at least 6 months after surgery were retrospectively reviewed. The change in angle of deviation from before to after consecutive esotropia surgery, as well as the success rate and surgical effect, were evaluated.ResultsPreoperative esodeviation was −19.6 ± 4.7 PD [median − 20.0 PD, interquartile range (IQR) 9.0] at distance and −16.5 ± 7.4 PD [median − 18.0 PD, IQR 17.0] at near. The mean surgical amount of unilateral lateral rectus muscle advancement surgeries, based on one-fourth of the angle of consecutive esotropia, was 4.8 ± 1.1 mm [median 5.0 mm, IQR 2.0]. Of the 11 patients, 10 (91%) recovered to orthotropia or exodeviation within 8 PD. The surgical effects of unilateral lateral rectus muscle advancement were 3.3 ± 0.7 PD/mm [median 3.6 PD/mm, IQR 1.0] after 1 day, 3.7 ± 0.6 PD/mm [median 3.8 PD/mm, IQR 1.0] after 1 week, and 3.8 ± 0.7 PD/mm [median 3.8 PD/mm, IQR 1.5] after 6 months.ConclusionsUnilateral lateral rectus muscle advancement surgery based on one-fourth of the angle of consecutive esotropia within 25 PD was successful in all 11 patients. The surgical effect was significantly greater in unilateral lateral rectus muscle advancement than in primary lateral rectus muscle recession. Reduction in the amount of surgery should be considered carefully in unilateral lateral rectus muscle advancement for consecutive esotropia.Electronic supplementary materialThe online version of this article (10.1186/s12886-017-0658-1) contains supplementary material, which is available to authorized users.

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Purpose:To compare the therapeutic efficacy of vitrectomy plus intravitreal antibiotic injection (vitrectomy group) with intravitreal antibiotic injection alone (antibiotic group) for eyes with acute endophthalmitis developed after cataract surgery with visual acuity of hand motion or better. Methods: In this retrospective chart review, we compared the visual acuities of 10 eyes of a vitrectomy group and 17 eyes of an antibiotic group. Results: We found no significant differences between the two groups in terms of age, comorbidities (diabetes, hypertension), time of symptom onset, time of diagnosis, type of systemic antibiotic prescribed, or positive culture rate. Mean baseline best-corrected visual acuity (BCVA) was similar in the two groups (2.17 vs. 1.96 logMAR; p = 0.60). Both groups exhibited significant improvements in mean BCVA after 2 months: from 2.17 to 0.81 logMAR in the vitrectomy group (p = 0.01) and from 1.96 to 0.76 logMAR in the antibiotic group (p = 0.002), but the final BCVA did not differ significantly between the two groups (0.81 vs. 0.76 logMAR, p = 0.75). Conclusions: Both vitrectomy combined with intravitreal antibiotic injection and intravitreal antibiotic injection alone significantly improved visual acuity; the final BCVA did not differ between the two groups. Intravitreal antibiotic injection alone may be an effective first-line treatment for endophthalmitis in patients with initial visual acuity of hand motion or better.