Contrary to earlier expectations, the observed reduction in postoperative IOP in eyes with PAC was significantly greater in the presence of a higher preoperative IOP, a larger number of glaucoma medication, narrower iridotrabecular angle width, and greater extent of PAS formation and in eyes with evidence of GON. Lens extraction seems to have a beneficial effect on IOP control in PAC, and is especially efficacious in more advanced cases.

IMPORTANCE Approximately 5% to 10% of patients continue to experience persistent epiphora following an anatomically successful dacryocystorhinostomy (DCR) for nasolacrimal duct obstruction or stenosis. OBJECTIVE To investigate the management and success rate of so-called "functional failure" of DCR for nasolacrimal duct obstruction by experienced lacrimal surgeons. DESIGN, SETTING, AND PARTICIPANTS Multicenter retrospective case series including 5 Australian and New Zealand centers. Participants included 61 patients (71% women [n = 46]; mean age, 66 years) with functional epiphora after 65 DCRs (69% transnasal) who were recruited over a mean of 7.6 years. Inclusion criteria included confirmed preoperative diagnosis of nasolacrimal duct obstruction or stenosis, age greater than 18 years, recurrent or persistent epiphora after DCR, an anatomically successful DCR, and follow-up longer than 6 months. Exclusion criteria included evidence of lacrimal hypersecretion, eyelid malposition, and punctal or canalicular abnormalities. MAIN OUTCOMES AND MEASURES The number, type, timing, and success of all clinical interventions performed for the management of functional epiphora after DCR. RESULTS Epiphora recurred a mean of 8.9 months after primary DCR; 89% of the cases (n = 58) had evidence of a patent ostium and 100% were patent on lacrimal irrigation. Intubation with a lacrimal stent was performed in 82% of the cases at the time of surgery, and all stents were removed a mean of 8 weeks postoperatively. Epiphora was reported immediately following DCR in 32% (n = 21) of the cases and within 6 weeks after removal of the stent in 31% (n = 20); late recurrence (>12 months after DCR) developed in 37% (n = 24) of the cases. In a total of 15% of the cases, participants declined any treatment following DCR. The remainder underwent a mean of 1.3 interventions (range, 1-3) during a mean of 23 to 41 months after primary DCR, following which 72% (n = 47) of the cases had a successful outcome; 12% (n = 8) failed to achieve improvement, and the patients declined further intervention. Thirty-nine interventions (60%) were intubation with a silicone stent with a 54% success rate. Almost half of those undergoing intubation elected to keep the stent permanently; 34% (n = 22) had an eyelid-tightening procedure with 50% success, and 15% (n = 10) required a Lester-Jones tube despite patent canaliculi, with a success rate of 90%. CONCLUSIONS AND RELEVANCE Functional epiphora after DCR among patients with preoperative nasolacrimal duct obstruction or stenosis appears to be uncommon. Benefits can be achieved in most patients with intubation (transient or permanent) or eyelid tightening. More than one procedure is often required.

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Purpose It is vital that surgeons undertaking oculoplastic procedures are able to show that the surgery they perform is of benefit to their patients. Not only is this fundamental to patient-centred medicine but it is also important in demonstrating cost effectiveness. There are several ways in which benefit can be measured, including clinical scales, functional ability scales, and global quality-of-life scales. The Glasgow benefit inventory (GBI) is an example of a patient-reported, questionnaire-based, postinterventional quality-of-life scale that can be used to compare a range of different treatments for a variety of conditions. Methods A cross-sectional study was undertaken using the GBI to score patient benefit from four commonly performed oculoplastic procedures. It was completed for 66 entropion repairs, 50 ptosis repairs, 41 ectropion repairs, and 41 external dacryocystorhinostomies (DCR). The GBI generates a scale from À 100 (maximal detriment) through zero (no change) to þ 100 (maximal benefit). Results The total GBI scores of patients undergoing surgery for entropion, ptosis, ectropion, and external DCR were: þ 25. Po0.001), Po0.001), Po0.001), and þ 32.25 (95% CI 21.47-43.03, Po0.001), respectively, demonstrating a statistically significant benefit from all procedures. Conclusion Patients derived significant quality-of-life benefits from the four most commonly performed oculoplastic procedures.

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The distance between the posterior ethmoidal foramen and optic canal is more than double the distance quoted in the surgical literature. This is due to a high incidence of ethmoidal foramina variation. Surgeons operating on the medial orbital wall of a Caucasian population must be aware of these variations as they are a source of haemorrhage and act as landmarks of proximity to the optic canal.

Orbital implant replacement with DFG was effective at relieving chronic ASP, and pain resolution was sustained in all cases. This surgical intervention may be a useful management option for patients in whom all detectable causes of chronic pain have been excluded and have failed medical pain management.

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