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Purpose: To describe the incidence, duration, and complication rate of patients with a clinical diagnosis of pseudomembranous viral conjunctivitis. Methods: A retrospective observational study is performed compiling the data of patients diagnosed as pseudomembranous conjunctivitis at the hospital’s emergency department from June 2016 to May 2018. Demographic variables, duration of symptoms, and follow-up until resolution of the pseudomembranes and associated complications are collected. Results: The incidence rate of pseudomembranous conjunctivitis is 3.47/10,000 people-year and 0.123% of emergency department consultations. The incidence of pseudomembranous conjunctivitis is approximately 20% of the total adenoviral conjunctivitis, with similar peak incidence rates and annual distribution. The presence of pseudomembranes shows a mean duration of 7.86 days. In this series of pseudomembranous patients, 38.4% had at least one of the following complications: 16.7% subepithelial infiltrates (IC 13.0%–21.1%), 20.81% corneal erosions (SE 0.0218, IC 16.7%–25.5%), 3.5% filamentary keratitis (SE 0.010, IC 1.8%–6.0%), and 6.1% subtarsal fibrosis (SE 0.128, IC 3.8%–9.1%). Conclusion: To the best of our knowledge, this is the first study to investigate the incidence and rate of complications of pseudomembranous conjunctivitis. Complications occurred in almost 4 out of 10 patients. The mean duration of the follow-up in the ED was higher in patients with any complication compared with non-complicated patients. The high complication rate makes a closely follow-up advisable, until pseudomembrane resolution, to assess possible complications and symptomatic treatment.

Purpose To assess the incidence of postoperative masticatory oscillopsia after orbital decompression, comparing results between isolated lateral wall and balanced or 3-wall orbital decompression. Methods An observational retrospective study was performed, involving 161 consecutive patients who underwent orbital decompression between 2008 and 2018. Patients' clinical data were registered, and archives were revised for data compilation. Patients were divided into 2 groups according to the type of surgery: "lateral" group included patients who underwent isolated lateral wall decompression and "lateral plus" group involved patients with balanced or 3-wall decompression. Exclusion criteria were secondary decompressions, those not including lateral wall and asymmetrical surgeries, so analysis was performed among 131 remaining patients. Oscillopsia was self-reported and was registered as present or not. Diplopia was evaluated according to Paridaens grading system. Results Statistical analysis among the 131 patients with lateral wall decompression (isolated or in combination) was performed. Seven patients referred oscillopsia, 5 among "lateral" group, while 2 reported oscillopsia on "lateral plus" group (p = 0.001). The authors found no differences on new-onset or worsening of diplopia between groups (p = 1) CONCLUSIONS:: Oscillopsia was significantly higher after isolated lateral wall decompression than after balanced or 3-wall decompression, while no differences were found between groups according to diplopia status. Transmission of temporal muscle contraction to the orbit seems to be the cause of the oscillopsia. The authors postulate that the absence of orbital floor or medial wall may act as a dampener for the temporalis muscle contractions, allowing the orbital contents to be expanded through them, and avoiding oscillopsia.

Objective Smoking is an important risk factor for Graves orbitopathy (GO) and it is modifiable. The advice to stop smoking has been included in all the clinical practice guidelines of GO. However, the effectiveness of this practice remains unknown. The purpose of this study is to assess the change in the smoking habit in patients affected with GO after an oral counselling for smoking cessation. Material and methods A retrospective cohort of GO patients was studied. The patients received a significant oral counsel during the first consultation with the ophthalmologist. 33 GO patients were explored in the ophthalmology clinic during 2013 and 2014 and the study was done throughout a telephone questionnaire in 2015. The main outcome was the number of cigarettes smoked daily before and after consultation with the endocrinologist and the ophthalmologist. Other medical and socioeconomic factors were recorded. Results The mean number of cigarettes that were smoked was 13.6 (SD 9.66) and 6.3 (SD 7.73) before and after the consultation done at the ophthalmology office (T-test paired, p = 0.0006). 42.42% achieved smoking cessation and 30.3% decreased their smoking habit. Patients who stopped smoking suffered usually from active and severe GO, had more stable jobs and received greater support from their relatives and friends. Conclusion A firm and strong oral counsel held for smoke cessation was effective in GO patients. This disease deeply affects patients’ quality of life, making them more prone to change their habits.