Outcomes of sphincterotomy for small pupil phacoemulsification

Goh, Joanne W Y; Harrison, Rhys; Tavassoli, Shokufeh; Tole, Derek

doi:10.1038/s41433-018-0079-2

Cited by 5 publications

(4 citation statements)

References 5 publications

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“…However, postoperative complications included transient ocular hypertension (4%), sustained ocular hypertension (1%), persistent uveitis of more than 1 month (4%), and cystoid macular edema (5%). [ 32 ] In our series, no such significant adverse events were encountered, apart from the single unrelated case of zonular dialysis. This relative lack of complications suggests that the use of a PED such as the I-Ring may be less traumatic and less inflammatory than pupil enlargement by cutting the iris.…”

Section: Discussionmentioning

confidence: 57%

Efficacy of a hinged pupil expansion device in small pupil cataract surgery

Cruz

Kenyon

2021

Indian J Ophthalmol

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Purpose: To evaluate the efficacy and safety of a hinged pupil expansion device (PED) in eyes with small pupils undergoing phacoemulsification. Methods: In this prospective, multicenter, interventional case series of 57 eyes with suboptimal pharmacologic pupil dilation (<5 mm diameter), a hinged PED (I-Ring, Beaver-Visitec International, Waltham, MA) was applied to facilitate surgical visualization during cataract surgery. The pupil diameters (PD) were measured at different stages of the procedure and at the 1-month follow-up visit. Rate of successful intraoperative PED deployment, pupil size, and shape were assessed. Results: The mean patient age was 70.5 ± 12.1 years. The I-Ring PED was successfully applied in all eyes. The mean PD at various stages were 4.1 ± 1.1 mm (dilation with eye drops only preoperatively), 4.3 ± 1.1 mm (dilation after intracameral epinephrine and ophthalmic viscoelastic device), 6.80 ± 0.00 mm (with PED applied), and 5.7 ± 1.1 mm (end of surgery). A statistically significant difference ( P < 0.001) was observed between the mean PD with intracameral medications and with PED application. Postoperative circular pupil was observed in 54 of 57 eyes (94.7%) and the mean eccentricity index ( n = 57 eyes) was 0.11 ± 0.22. No significant adverse events were observed. Conclusion: The I-Ring PED safely and effectively provided and maintained adequate pupil expansion and surgical visualization in eyes with small pupils undergoing cataract surgery. Postoperatively 95% of eyes attained circular pupils. This hinged PED is an additional instrumentation option for the safe and effective expansion of inadequately sized pupils during cataract surgery.

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Section: Discussionmentioning

confidence: 57%

Efficacy of a hinged pupil expansion device in small pupil cataract surgery

Cruz

Kenyon

2021

Indian J Ophthalmol

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“…[9][10][11] The use of sphincterotomies for pupil enlargement has generally been abandoned by most surgeons despite some reports with good clinical results. 12,13 Two types of pupillary dilators commercially available are hooks and rings. The use of iris hooks for pupil expansion has gained worldwide popularity since their introduction in the early 1990s.…”

Section: Discussionmentioning

confidence: 99%

“…9–11 The use of sphincterotomies for pupil enlargement has generally been abandoned by most surgeons despite some reports with good clinical results. 12,13…”

Section: Discussionmentioning

confidence: 99%

Outcomes of first 50 cases using a new pupil expander

Sheen-Ophir

Wong²,

Assia

2021

J Cataract Refract Surg

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“…4 Iris manipulation during sphincterotomy triggers exudative transudation into the anterior chamber, thereby increasing the risk for uveitis exacerbation or reactivation. 14 In addition, limited surgical vision and multiple manipulations make removing Soemmerring's ring difficult compared with using a different type of pupil expansion ring. Iris retractors, such as iris hooks and Assia Pupil Expanders, expand the pupil to a rectangular or slightly trapezoidal shape of 6.0 mm or less to avoid iris tears.…”

Section: Discussionmentioning

confidence: 99%

Application of an iris speculum for removing Soemmerring's ring during secondary intraocular lens implantation in congenital cataract patients with small pupils

Huang

Jin

Zhao

2021

J Cataract Refract Surg

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An application of the XpandNT iris speculum in eyes with small pupils during secondary intraocular lens (IOL) implantation in congenital cataract patients is described. The iris speculum was first positioned in the eye to expand the pupil. A 30-gauge needle was used to separate the adhesion of the iris tissue and the capsular rim. Vitrectomy was used to clean Soemmerring’s ring near the capsular rim. The iris expander was retracted with the Williamson XpandNT Manipulator. The IOL was then implanted. Fourteen aphakic eyes from 10 consecutive patients were studied retrospectively; pupil expansion was achieved in all 14 eyes intraoperatively without serious intraoperative or postoperative complications. The iris speculum was a safe and excellent tool for removing Soemmerring’s ring and solving small pupil problems during secondary IOL implantation in pediatric cataract surgery patients.

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Outcomes of sphincterotomy for small pupil phacoemulsification

Cited by 5 publications

References 5 publications

Efficacy of a hinged pupil expansion device in small pupil cataract surgery

Efficacy of a hinged pupil expansion device in small pupil cataract surgery

Outcomes of first 50 cases using a new pupil expander

Application of an iris speculum for removing Soemmerring's ring during secondary intraocular lens implantation in congenital cataract patients with small pupils

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