PURPOSE: The purpose of this study is to compare the success rates of endoscopic endonasal dacryocystorhinostomy (EN-DCR) and external DCR (EX-DCR) for the treatment of primary acquired nasolacrimal duct obstruction (PANLDO). DESIGN: This was a retrospective, comparative, nonrandomized clinical study. METHODS: Reviewed medical records of PANLDO underwent DCR at Far-Eastern Memorial Hospital from May 2011 to June 2017. Data regarding the lacrimal passage system, comorbidities, surgical outcomes, and postoperative complications were analyzed. Anatomical success was defined as patency confirmed by intranasal endoscopic inspection of the ostium and successful lacrimal irrigation; functional success was defined as complete resolution of epiphora and positive fluorescein dye disappearance test, which were assessed at postoperative 6^th months. RESULTS: One hundred and seventy patients (37 males, 133 females, mean age 57 years) underwent 178 DCR surgeries for PANLDO. The overall anatomical success rate was 94.4% (93.5% in EN-DCR vs. 95.8% in EX-DCR, P = 0.511) and functional success rate was 90.4% (90.7% in EN-DCR and 90.1% in EX-DCR, P = 0.909). Surgical outcomes were comparable between two groups. Complication rate was low in both groups, including 11 cases of early canalicular stent dislodge (7 in EN-DCR, 4 in EX-DCR), one case of postoperative nasal bleeding in EN-DCR, and two skin wound dehiscence and three cutaneous keloid formation in EX-DCR. None of these cases were concluded into surgical failure at the final visit. The time to symptoms relief was statistical significantly shorter in EN-DCR group (1.7 vs. 3.7 weeks in EX-DCR, P < 0.001). CONCLUSIONS: Success rate of DCR for PANLDO in our study was high, and complication rate was low for both endoscopic and external approaches. There was no statistically significant difference between them. EN-DCR provided higher satisfaction due to quicker recovery and lack of external incision. Endoscopic DCR should be considered as the primary treatment of choice for PANLDO.

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Immunoglobulin G4-related disease (IgG4-RD) is a recently recognized inflammatory disease of unknown etiology. It characterized by distinctive histopathological appearance of dense IgG4-positive lymphoplasmacytic infiltrates, storiform fibrosis, and obliterative phlebitis in one or more organs, simultaneously or subsequently. In cases of ocular adnexal involvement, unique clinicohistopathological features were delineated by recent studies, and IgG4-related ophthalmic disease (IgG4-ROD) is generally recognized as the disease name. A significant proportion of previous labeled idiopathic orbital inflammations and Mikulicz's disease are now consistent with a diagnosis of IgG4-ROD. Increasing studies have accumulated regarding its epidemiology, diagnosis, clinical features, treatment, and the association between lymphoma. In this review, we summarize our present understanding of IgG4-ROD.

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Unilateral congenital ptosis with poor levator function of ≤4 mm continues to be a difficult challenge for the oculoplastic surgeon. Surgical correction can be accomplished with unilateral frontalis suspension, maximal levator resection, or bilateral frontalis suspension with or without levator muscle excision of the normal eyelid. Bilateral frontalis suspension was proposed by Beard and Callahan to overcome the challenge of postoperative asymmetry, allowing symmetrical lagophthalmos on downgaze, postoperatively. However, most surgeons and patients prefer unilateral correction on the abnormal eyelid either with a frontalis suspension or maximal levator resection. Frontalis suspension may be performed through the various surgical techniques using different autogenous or exogenous materials. Autogenous fascia lata is considered the material of choice with low recurrence rates but carries the drawbacks of the difficulty of harvesting and postoperative morbidity from the second surgical site. Recent reports have suggested that maximal levator resection provides improved cosmesis, a more natural contour, and avoids brow scars. Although both treatments have shown to have similar success rates, there is much debate about what the most favorable method for treating severe unilateral ptosis. We review the literature on the various surgical treatments for unilateral severe congenital ptosis, including the rationale, advantages and disadvantages of each technique.

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PURPOSE: The purpose of the study was to evaluate the clinical features, treatment, and outcome of patients with conjunctival papilloma. MATERIALS AND METHODS: Twenty-two patients (22 eyes) with biopsy-proven conjunctival papilloma between January 2005 and January 2015 in a tertiary medical center were retrospectively reviewed. Clinical profiles, treatment, outcome, and factors related to recurrence were evaluated. RESULTS: There were 16 males (73%) and 6 females (27%), with a mean age of 47 years. The most common location of conjunctival papilloma was the caruncle (43%), followed by palpebral conjunctiva (29%), bulbar conjunctiva (14%), and fornix (14%). Recurrence developed in five patients (22.7%). The risk of postoperative recurrence was significantly related to the presence of bulbar conjunctival papilloma with corneal involvement (P = 0.043) and surgical excision alone (P = 0.039). One case with multiple recurrences developed nonkeratinizing carcinoma. Two young females developed conjunctival papilloma even after receiving human papillomavirus vaccinations. CONCLUSION: The recurrence of conjunctival papilloma is not uncommon, especially for those patients underwent surgical excision alone. Surgical excision with adjunctive therapy and long-term follow-up is rational for the treatment of conjunctival papilloma.

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Intraocular lens (IOL) opacification is rare but may occur after non-Descemet stripping automated endothelial keratoplasty (n-DSAEK) or intravitreal air injection after pars plana vitrectomy (PPV). We reported two cases of IOL opacification within the pupillary region. Chart was retrospectively reviewed. The predisposing factors and the visual acuity were analyzed. The opacification was evaluated by anterior segment optical coherence tomography (AS-OCT). A 68-year-old healthy woman with pseudophakic bullous keratopathy underwent uneventful n-DSAEK in the right eye. Postoperative vision was 20/40. Nine months after surgery, fine granular deposits were seen in the anterior surface of IOL. The vision decreased to 20/50 but remained stable during 3-year follow-up. A 61-year-old man with diabetes mellitus received PPV and silicone oil tamponade for retinal detachment and vitreal hemorrhage after cataract surgery in the right eye. Removal of silicone oil and intravitreal air injection was performed, and postoperative vision was 20/100. Granular deposits were observed in hydrophobic acrylic IOL 1 month after surgery. The visual acuity decreased to 20/120. AS-OCT revealed hyperreflective materials in the anterior surface of IOL in both cases. An uncommon phenomenon of IOL opacification in the pupil region may occur after n-DSAEK or PPV, which may be associated with intraocular air injection or systemic diseases.

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OBJECTIVE: The objective of the study was to evaluate the refractive status and thereby assess anisometropia in children with unilateral congenital nasolacrimal duct obstruction (CNLDO). STUDY DESIGN: This study design was a descriptive cross-sectional study. PLACE AND DURATION: this study was conducted at the Department of Pediatric Ophthalmology and Strabismology, Al-Shifa Trust Eye Hospital, Rawalpindi; from August 2013 to July 2014. METHODOLOGY: This study assessed consecutive children with unilateral CNLDO. Cycloplegic refraction on all children with CNLDO was performed followed by appropriate intervention. Refractive errors of the affected and normal eyes were compared. RESULTS: One hundred and twenty-four children with a mean age of 29.69 ± 21.12 months (range, 2 months to 8 years) were studied. Based on spherical equivalent (SE), hypermetropia was more common in the affected eyes (P < 0.001). Anisometropia of >1.5 diopters (D) was present in n = 17 (13.7%). Interocular difference was significant for spherical error and SE (P < 0.001) but not cylindrical errors. CONCLUSION: Unilateral CNLDO is associated with statistically significant anisometropia, especially anisohypermetropia which has amblyogenic potential. It is vital to perform cycloplegic refraction routinely and counsel parents regarding prognosis and regular follow-ups.

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PURPOSE: The purpose of this study was to investigate the factors affecting surgical outcome in intermittent exotropia. DESIGNS: This was a retrospective interventional study. METHODS: Intermittent exotropic patients who had undergone surgical correction with a postoperative follow-up period of 1 month or more were included in the study. Surgical success was defined as an alignment between 10 prism diopters (PD) of exotropia or 5 PD of esotropia at 1 month. After data collection, data were analyzed in SPSS version 23 software. The main outcome measures were the factors affecting surgical outcome. RESULTS: We included 101 patients, including 52 (51.5%) male and 49 (48.5%) female. Among them, 62 (61.4%) patients achieved surgical success. Undercorrection was the primary reason of surgical failure. Multivariate regression analysis showed that a larger preoperative angle of deviation was associated with unfavorable surgical outcome (P = 0.053, odds ratio [OR] =0.97, 95% confidence interval [CI] = 0.94–1.00), and the presence of postoperative day 1 (POD 1) diplopia correlated significantly with higher surgical success (P = 0.001, OR = 4.54, 95% CI = 1.80–11.43). The presence of POD 1 diplopia was highly associated with POD 1 esotropia (P = 0.005, OR = 7.26, 95% CI = 1.84–28.58). CONCLUSION: In intermittent exotropia, larger preoperative angle of deviation may predict a lower surgical success rate. Despite a worrisome issue, the presence of diplopia on first POD is associated with immediate postoperative alignment of esotropia and predicts a higher surgical success.

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We report a case of ocular injury after bungee jumping. A 29-year-old woman presented with bilateral subconjunctival hemorrhage and periorbital petechiae after bungee jumping. Her best-corrected visual acuity was 20/20 in both eyes. Ocular examinations revealed no other intraocular hemorrhages. She received conservative treatment. One week later, the subconjunctival hemorrhage and periorbital petechiae resolved spontaneously. Her vision remained stable, and no detectable ocular complications were found during the follow-up. In conclusion, bungee jumping can cause ocular injuries. Further studies are required to identify their causes and potential risk factors.

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A 64-year-old male presented with progressive proptosis of the left eye for 3 months. Orbital computed tomography (CT) demonstrated a 3.9 cm infiltrative mass over the superotemporal quadrant of the left orbit. Pathology of biopsy revealed a ductal adenocarcinoma of lacrimal gland with positive immunohistochemical staining for androgen receptor (AR), cytokeratin-7 (CK7), and gross cystic disease fluid protein 15 (GCDFP-15). The patient received orbital exenteration and adjuvant chemoradiotherapy. No recurrence or metastasis was noted 27 months after treatment. Another case was a 64-year-old male who came for proptosis of the right eye and diplopia for 3 weeks. Orbital CT revealed a 5 cm infiltrated right superotemporal orbital mass with destruction of the lateral and inferior orbital walls. Biopsy showed primary ductal adenocarcinoma of lacrimal gland with positive immunohistochemical staining for CK7, AR, and epidermal growth factor receptor. The patient underwent exenteration and concomitant chemoradiotherapy. However, lung and neck metastasis was noted 21 months after surgery. Collectively, 26 cases in the literature were reviewed. The mean age was 57 years old and male was prevalent (73%). Most immunohistological staining showed positive for AR (46%), CK7 (46%), Ki-67 (38%), and GCDFP-15 (35%). More than half of the patients developed metastasis and one-third of the patients died of disease. Early diagnosis, treatment, and long-term follow-up are required for this aggressive tumor.

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PURPOSE: The purpose of this study is to observe the characteristics of intrachoroidal splitting (ICS) associated with choroidal detachment due to open-globe injury. METHODS: A retrospective, observational case series study of four eyes diagnosed with choroidal detachment exhibited ICS. The in vivo pathologic changes of the ICS were recorded during surgery. Four specimens were obtained from the inner part of the ICS region. One specimen was stained with hematoxylin and eosin; one specimen was examined under scanning electron microscopy, and the other two specimens were examined under transmission electron microscopy. RESULTS: All four patients presented with vortex vein rupture associated with large-scaled mid-peripheral ICS. The histopathologic observations indicated that ICS occurred between the medium-sized and large-sized choroidal vessel layers. Large vascular indentations and medium-sized choroidal vessels were observed on the inner part of the split interface. Postoperative outcomes of the four patients were poor. Vision in all four patients was no light perception before or after surgery. Three eyes became atrophic with silicon oil tamponade and band keratopathy, one eye was eventually enucleated for cosmetic reason. CONCLUSION: Intrachoroidal tissue has the potential to split during trauma. The outcome of ICS with choroidal detachment in open-globe injury was poor.

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