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PURPOSE: To describe a novel surgical technique aimed to approach those orbital lesions located superior and posterior to the equator of the globe. METHODS: We describe a novel surgical technique that was performed in four patients to approach intraorbital tumors superiorly and posteriorly located. This technique was completed through an upper eyelid skin crease followed by grinding the superior orbital rim to achieve complete removal of the lesions. RESULTS: Complete removal of the lesion was accomplished in every case. No intraoperative complications were observed in any of the patients. During the follow-up period, one patient presented with frontal hypersensitivity and one with diplopia. CONCLUSIONS: In the case series presented, the upper eyelid skin crease approach with grinding of the superior orbital rim proved to be a safe and effective surgical technique to remove lesions located superior and posterior within the orbit in our series. More studies are needed to further evaluate the efficacy and long-term results of this approach.

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ABSTRACT Purpose: To evaluate whether any topical anti-glaucoma medications increase the risk of lacrimal drainage system obstruction or whether the presence of preservatives alone is sufficient to generate obstruction. Methods: This nested case-control study compared a group of patients with lacrimal duct obstruction who received topical anti-glaucoma medications to a control group of patients without obstruction. Results: The medical records of 255 patients with glaucoma who consulted the Oculoplastic Section with complaints of watery eyes were reviewed. Among these patients, 59 exhibited lacrimal drainage obstruction. Ninety-four percent of patients with lacrimal drainage obstruction used beta-blockers, and 41% used prostaglandin analogs. A logistic regression model was used to adjust for age, sex, and the use of other medications. No significant differences were observed regarding the topical anti-glaucoma medications used between groups. Conclusion: No single topical anti-glaucoma medication demonstrated a stronger association with the development of lacrimal duct obstruction.

RESUMO Objetivo: Avaliar se algum medicamento tópico anti-glaucoma aumenta o risco de obstrução do sistema de drenagem lacrimal ou se a presença de conservantes é su fi cien te para gerar obstrução. Métodos: Este estudo de caso-controle aninhado comparou um grupo de pacientes com obstrução do ducto lacrimal que receberam medicações tópicas anti-glaucoma contra um grupo controle de pacientes sem obstrução. Resultados: Foram revistos os prontuários de 255 pacientes com glaucoma que consultaram a Seção de Oculoplástica com queixas de olhos lacrimejantes. Dentre esses pacientes, 59 apresentavam obstrução da via lacrimal de drenagem. Noventa e quatro por cento dos pacientes com obstrução usaram betabloqueadores e 41% usaram análogos de prostaglandinas. Um modelo de regressão logística foi utilizado para ajustar a idade, sexo e o uso de outros medicamentos. Não foram observadas diferenças significativas em relação às medicações tópicas anti-glaucoma usadas entre os grupos. Conclusão: Nenhum medicamento anti-glaucoma tópico único demonstrou uma associação mais forte com o desenvolvimento de obstrução do ducto lacrimal.

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PURPOSE: To evaluate whether any topical anti-glaucoma medications increase the risk of lacrimal drainage system obstruction or whether the presence of preservatives alone is sufficient to generate obstruction. METHODS: This nested case-control study compared a group of patients with lacrimal duct obstruction who received topical anti-glaucoma medications to a control group of patients without obstruction. RESULTS: The medical records of 255 patients with glaucoma who consulted the Oculoplastic Section with complaints of watery eyes were reviewed. Among these patients, 59 exhibited lacrimal drainage obstruction. Ninety-four percent of patients with lacrimal drainage obstruction used beta-blockers, and 41% used prostaglandin analogs. A logistic regression model was used to adjust for age, sex, and the use of other medications. No significant differences were observed regarding the topical anti-glaucoma medications used between groups. CONCLUSION: No single topical anti-glaucoma medication demonstrated a stronger association with the development of lacrimal duct obstruction.

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PURPOSE: To describe the use of a ruler to increase the accuracy and customization of Lester Jones tube placement. MATERIALS AND METHODS: This was a review of 92 patients who underwent minimally invasive conjunctivodacryocystorhinostomy using this instrument. RESULTS: The success rate was 100%, with an average operating time of 15 minutes. In nine patients, late migration of the Jones tube into the nasal cavity required a secondary intervention, with successful Jones tube repositioning. In five cases, obstruction of the tube opening was caused by conjunctival overgrowth. CONCLUSION: The millimetric ruler engraved in the sleeve of the trocar allows measuring and placing a personalized tube for each patient.

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Diplopia is an infrequent complication after blepharoplasty. Most of the cases are in its vertical form due to trauma of the extraocular muscles. In this article, we present a case of horizontal diplopia following cosmetic upper blepharoplasty; we review the literature on this unexpected complication and offer some recommendations to avoid it.

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Delleman syndrome is an unusual entity, characterized by ocular cysts or microphthalmia, focal dermal anomalies and cerebral malformations. In the following article, we carry out a review of the disease and we present the case of a patient with microphthalmos and palpebral coloboma. As we could not put orbital expanders at an early stage, we performed reconstructive surgery.

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PURPOSE: To report the authors' experience using a regular crochet hook for removing blue periocular eyelid veins. METHODS: This article describes a new surgical procedure. Twenty-one procedures were performed in 15 patients who underwent removal of blue periocular lower eyelid veins with the implementation of a regular crochet hook. RESULTS: There was no clinical evidence of treatment failure during the subsequent 12 months, nor did any new veins appear. CONCLUSIONS: Periocular vein removal with a Crochet hook is safe and successful. It can augment blepharoplasty results.

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