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Introduction and purpose: We report a case of extensively drug-resistant (XDR) Pseudomonas aeruginosa (PA) scleritis after pterygium surgery. Methods: Case report. Results: A 58-year-old farmer presented with a 40-day history of severe pain, swelling, and blurred vision after a pterygium excision was performed at another institute. The patient was on multiple medications with no relief. The examination showed a nasally located scleral thinning in his right eye, with ulceration and infiltrates. Microbiology revealed Pseudomonas aeruginosa, which showed intermediate sensitivity to colistin only. The patient was administered topical (0.19%) and intravenous colistin and dexamethasone. There was a rapid reduction in symptoms, and the lesions healed over the next 2 months. Conclusions: To the best of our knowledge, this is the first case report of XDR-PA scleritis. We suggest the possibility of evolving drug resistance caused by the iatrogenic use of antibiotics during the early stages of the disease course. [ABSTRACT FROM AUTHOR]

To report a challenging case of relapsing polychondritis with bilateral diffuse scleritis, with 17-year follow-up. Case report A 36-year-old female presented 17 years ago with bilateral diffuse scleritis and peripheral corneal infiltrates. Detailed systemic work-up was negative. Fourteen months later, she developed saddle nose deformity, debilitating myalgias, and severe recurrence of scleritis clinching the diagnosis of relapsing polychondritis. Despite high-dose oral corticosteroids, oral immunosuppressants, and cyclophosphamide infusions and adalimumab infusions, the condition showed waxing and waning over the next decade. In 2017, she was started on Tocilizumab injections after which both the systemic and ocular conditions stabilised and has been remained stable for the past 4 years. Relapsing polychondritis has a well-known association with scleritis. The ocular disease may precede systemic symptoms in some cases. Newer agent such as tocilizumab appears to be effective in controlling this relentless and recurrent disease. [ABSTRACT FROM AUTHOR]

To report bilateral Herpes Simplex virus (HSV) keratitis in a patient on latanoprost for primi]k=8ary open angle glaucoma (POAG). Case report. A 76-year-old healthy male on latanoprost monotherapy for POAG polresented with sudden bilateral decreased vision. Examination showed bilateral dense corneal edema with loose epithelium. Aqueous fluid was positive for HSV-1 DNA on polymerase chain reaction (PCR). Latanoprost was discontinued, topical prednisolone acetate 1% eye, acyclovir 400 mg 5 times a day and combination of dorzolamide hydrochloride 2% and timolol maleate 0.5% twice daily were prescribed. The vision rapidly improved to 20/25 along with complete resolution of corneal edema within four weeks, with no recurrences over the next one year. Bilateral simultaneous HSV endotheliitis is a rare condition and positive PCR test can help rule in the diagnosis. HSV keratitis is a known adverse event with Latanoprost use and can present atypically. [ABSTRACT FROM AUTHOR]

To report the pattern of noninfectious scleritis across a tertiary eye-care network. A three-year retrospective review of patients diagnosed with noninfectious scleritis was performed. Data were retrieved using diagnostic terms assigned to scleritis through the in-house eyeSmart-electronic medical record system. 1103 patients, with a mean age of 44.33 ± 14.38 years and a median follow-up of 199.5 days (range 32–685) were enrolled. Unilateral disease was noted in 85%. Diffuse anterior scleritis (n = 542, 42.51%) and nodular scleritis (n = 482, 38.12%) were the commonest subtypes. Systemic immune disease association was present in 65 (5.89%). Treatment at onset was topical corticosteroids (n = 372, 36.54%) followed by oral non-steroidal anti-inflammatory drugs (n = 351, 34.45%), oral corticosteroids in 184 (19.04%), and immunomodulators in 32 patients (3.54%). This study depicts the pattern of various noninfectious scleritis in a large cohort of patients. The present study helped to further customize the electronic medical records to minimize several data capture limitations. [ABSTRACT FROM AUTHOR]

To report a rare ocular presentation of unilateral anterior uveitis with hypopyon in a 5-year-old child, suspected as masquerade. Retrospective report A 5-year-old boy presented with hypopyon-uveitis. Detailed systemic work-up was negative for masquerade and uveitis entities. He was started on oral and topical steroids but had reactivation on taper. Real-time polymerase chain reaction (PCR) test of aqueous fluid was positive for herpes simplex virus (HSV)-1 DNA. The inflammation resolved completely on oral acyclovir and topical corticosteroids. He subsequently underwent pars plana lensectomy, primary posterior capsulotomy and vitrectomy for complicated cataract. Post-operatively, vision improved to 20/400 with aphakic correction. Maintenance oral acyclovir was stopped after 3 months with no reactivation and amblyopia therapy was continued. This is a rare presentation of hypopyon uveitis due to HSV-1 in a child. The role of real-time PCR in establishing the diagnosis is crucial in such cases of diagnostic dilemma. [ABSTRACT FROM AUTHOR]

Purpose: To report a case of bilateral choroiditis following COVID-19 vaccination.Study Design: Case report.Results: A 34-year old male presented with visual loss one week after the second dose of COVID-19 vaccine. Examination showed large serous detachment of the macula in the right eye and severe choroidal thickening noted on ultrasonography in both eyes. The patient's condition improved rapidly with oral corticosteroids with significant resolution of the serous detachments within two weeks of initiating treatment and complete visual recovery subsequently.Conclusions: The onset of ocular symptoms starting within one week following vaccination suggests an inflammatory or autoimmune response to the vaccine. Ophthalmologists should consider the option of autoimmune and other inflammatory ocular problems, which may manifest as uveitis, following COVID-19 vaccination. Timely diagnosis and treatment with corticosteroids can result in good visual and structural outcome. [ABSTRACT FROM AUTHOR]

Dengue fever is a severe mosquito-borne disease which can present with various severe ocular manifestations. We aim to report a case of infectious scleritis in dengue fever, occurring due to Methicillin-resistant Staphylococcus aureus (MRSA), managed with intravenous Teicoplanin. Case report. A 23-year-old woman with recent hospitalization for dengue fever presented with severe pain and a nodular scleral lesion. She was initially diagnosed with immune-mediated scleritis, but as the condition worsened, she underwent scleral scraping which subsequently grew MRSA. She was initially started on topical vancomycin eye drops and topical linezolid but there was further worsening. Therapy was switched to intravenous Teicoplanin which resulted in rapid resolution of the condition. To the best of our knowledge, this is the first reported case of infectious scleritis in association with dengue fever due to MRSA. [ABSTRACT FROM AUTHOR]

Ocular tuberculosis can manifest in a wide variety of clinical presentations. The prevalence is higher in endemic areas as a cause of granulomatous uveitis. While posterior segment manifestations are well known, anterior segment granulomas alone are relatively rare. We report two cases of unilateral iris granulomata in two young patients who presented with decreased vision and redness and were found to have well-circumscribed iris granulomas. Both underwent systemic evaluation and had a negative Mantoux test. Biopsy pathology of the lesions revealed granulomatous inflammation but were negative for PCR, staining, and culture for TB. One patient turned out to have multiple pulmonary lesions. The ocular condition initially worsened with steroid therapy alone and improved and resolved completely after starting a 9 months course of anti-tubercular therapy (ATT). [ABSTRACT FROM AUTHOR]

Objective: Aim of the study was to examine extent, natural history, and clinical features associated with visual impairment (VI) in patients diagnosed with ocular tuberculosis (OTB) by the Collaborative Ocular Tuberculosis Study (COTS)-1. Methods: Multi-center retrospective cohort study. Main outcomes were VI. Results: A total of 302 patients were included in the study, including 175 patients whose data related to BCVA were available throughout the 2 years of follow up. Mean BCVA grossly improved at 12, 18, and 24 months of follow-up (p <.001). Mean BCVA was worse at 12–18th month follow-up for patients treated with ATT versus patients who were not treated with ATT, but patients treated with ATT had a statistically significant improvement in BCVA at the 24-month endpoint. Conclusions: OTB is associated with significant visual morbidity, future well-designed prospective studies are warranted to establish the causal association between OTB and visual loss. [ABSTRACT FROM AUTHOR]

Purpose: The Collaborative Ocular Tuberculosis Study (COTS) Group sought to address the diagnostic uncertainty through retrospective cohort analysis of treatment regimens and therapeutic outcomes for patients with tubercular Anterior Uveitis (TAU) across international centers. Methods: Multicentre retrospective analysis of patients diagnosed with TAU between January 2004 to December 2014 that had a minimum follow-up of 1 year. Results: One hundred and sixty-five patients were included. One hundred and seven subjects received antitubercular therapy (ATT) (n = 107/165; 64.9%) with all the patients receiving topical steroid therapy. Treatment failure was noted in 17 patients (n = 17/165; 10.3%), more frequently described in patients that received ATT (n = 13/107, 12.2%), than those that did not receive ATT (n = 4/58, 6.9%). Conclusion: In this retrospective study, addition of ATT did not have any statistically significant impact on outcome in patients with TAU. [ABSTRACT FROM AUTHOR]

Purpose: To examine disease profile of tubercular uveitis (TBU) in Paediatric population. Methods: Among 945 patients of the retrospective multinational study by the Collaborative Ocular Tuberculosis Study (COTS)-1, 29 Paediatric patients diagnosed with TBU were analyzed. Results: Mean age of disease presentation was 12.8 (range 4–18 years), with predominance of males (n = 14/20; 70.0%) and Asian ethnicity (n = 25/29; 86.2%). Posterior uveitis (n = 14/28; 50%) was the most frequent uveitis phenotype, with choroidal involvement occurring in 64.7% (n = 11/17). Incidence of optic disc edema and macular edema was higher in children (n = 8/18; 44.4% and n = 5/18; 27.8%, respectively) than in adults (n = 160/942; 16.9% and n = 135/942; 14.3%, respectively). Comparison of optic disc edema between subgroups showed a significant difference (P =.006). All patients received oral corticosteroids, most of them with antitubercular therapy. Treatment failure developed in 4.8% (n = 1/21). Conclusions: Children have a more severe inflammatory response to the disease, and an intensive anti-inflammatory therapeutic regimen is required to achieve a positive treatment outcome. [ABSTRACT FROM AUTHOR]

Purpose: Tubercular intermediate uveitis (TIU) and panuveitis (TBP) are difficult to manage because of limitations in diagnostic tools and lack of evidence-based treatment guidelines. The Collaborative Ocular Tuberculosis Study (COTS) analyzed treatment regimens and therapeutic outcomes in patients with TIU and TBP. Methods: Multicentre retrospective analysis. Results A total of 138 TIU and 309 TBP patients were included. A total of 382 subjects received antitubercular therapy (ATT) (n = 382/447; 85.4%) and 382 received corticosteroids (n = 382/447; 85.4%). Treatment failure was observed in 78 individuals (n = 78/447; 17.4%), occurring less frequently in patients receiving ATT (n = 66/382; 17.2%) compared to those who did not (n = 12/65; 18.5%). The study did not show any statistically significant therapeutic effect of ATT in patients with TIU and TBP. Conclusion Taking into account the limitations of the retrospective, non-randomized study design, resultant reliance on reported data records, and unequal size of the samples, the current study cannot provide conclusive evidence on the therapeutic benefit of ATT in TIU and TBP. [ABSTRACT FROM AUTHOR]

Purpose: To report the clinical findings, anatomical features, and treatment outcomes in subjects with ocular tuberculosis (OTB) at 24 months in the Collaborative Ocular Tuberculosis Study (COTS)-1. Methods: Of the 945 subjects included in COTS-1, those who completed a 24-month follow-up after completion of treatment were included. The main outcome measure was a number of patients with treatment failure (TF). Results: 228 subjects (120 males; mean age of 42.82 ± 14.73 years) were included. Most common phenotype of uveitis was posterior (n = 81; 35.53%), and panuveitis (n = 76; 33.33%). Fifty-two patients (22.81%) had TF. On univariable analysis, odds of high TF was observed with bilaterality (OR: 3.46, p =.003), vitreous haze (OR: 2.14, p =.018), and use of immunosuppressive therapies (OR: 5.45, p =.003). However, only bilaterality was significant in the multiple regression model (OR: 2.84; p =.02). Conclusions: Majority of subjects (>75%) achieved cure in the COTS-1 at 24-month follow-up. The concept of "cure" may be a valuable clinical endpoint in trials for OTB. [ABSTRACT FROM AUTHOR]

Background: Tuberculosis (TB) is a major infection that can affect the eye as first and sole presentation without features of systemic disease. Controversy exists regarding diagnosis and management of tubercular uveitis (TBU), further compounded by regional variations in disease expression. Purpose: Collaborative Ocular Tuberculosis Study (COTS)-1 aims to address knowledge deficits through collaboration amongst uveitis specialists across the globe by sharing the data of patients with TBU presented at participating centers from January 2004 to December 2014. Methods: Data collection was facilitated by a novel method of real-time encrypted web-based data entry allowing regular updates as new data and recommendations become available. Results: Information on clinical features, investigation findings, management, and treatment outcomes were reviewed to get an idea about real world scenario. Conclusion: The current review aims to focus on methodology and briefing of published reports from COTS group in COTS-1 study to highlight key messages from this large data. [ABSTRACT FROM AUTHOR]

Purpose: To contribute a global description of the spectrum of choroidal involvement in tubercular uveitis (TBU).Methods: Retrospective cohort study of TBU patients with choroidal involvement from 25 centers between January 2004 and December 2014. Medical records of patients with a minimum follow-up of 1 year were reviewed.Results: 245 patients were included. The phenotypic variations included serpiginous-like choroiditis (SLC) (46%), tuberculoma (13.5%), multifocal choroiditis (MFC) (9.4%), ampiginous choroiditis (9%), among others. 219 patients were treated with anti-tubercular therapy (ATT) (n = 219/245, 89.38%), 229 patients with steroids (n = 229/245, 93.47%) and 28 patients with immunosuppressive agents (n = 28/245, 11.42%). Treatment failure was noted in 38 patients (n = 38/245, 15.5%). Patients with SLC and ampiginous choroiditis appeared to have superior outcomes on survival analysis (p = 0.06).Conclusion: This study provides a comprehensive description of choroidal involvement in TBU. Patients with SLC and ampiginous choroiditis may have better clinical outcomes. [ABSTRACT FROM AUTHOR]

A 28-year-old male farmer presented to our emergency service with bilateral painful visual loss for the past 7 days that occurred suddenly after alcohol consumption. Examination showed bilateral central corneal epithelial defects, 3+ stromal edema, and cortical cataracts. After treatment with oral and topical corticosteroids for 4 weeks the corneal edema had subsided completely with mild anterior stromal scarring. Rapid progression of cataract to intumescent stage warranted sequential cataract surgeries 1 and 2 months after first presentation. Postoperatively, visual acuity recovered to 20/20 and 20/30 in the right and left eye respectively. This case highlights the extremely rare presentation of bilateral alcohol-induced toxic endothelitis, which recovered after intensive corticosteroid therapy. [ABSTRACT FROM AUTHOR]

Purpose: To report the epidemiology of uveitis in two urban centers in South India. Methods: Case records seen between January 2014 and December 2014 at two tertiary eye centers in South India were retrospectively reviewed. Results: A total of 1123 patients in the study population had uveitis. Anterior uveitis was seen in 48.9%, posterior in 20.5%, intermediate in 17.3%, and panuveitis in 13.3%. Of these cases, 68.4% were acute uveitis. Pediatric uveitis constituted 6.9% patients. Tuberculosis was the commonest infectious etiology. Conclusions: Idiopathic uveitis was highest in non-infectious and tuberculosis in infectious etiology. Toxoplasmosis was seen in the pediatric age group. [ABSTRACT FROM AUTHOR]

Purpose: To study the clinical features and visual outcome of sympathetic ophthalmia in pediatric patients attending a tertiary care center. Methods: Retrospective review of patients ≤16 years with sympathetic ophthalmia seen during the period 2001-2011. Results: During this period, 2511 pediatric patients with open globe injuries and 14 patients with sympathetic ophthalmia were seen. Six patients developed sympathetic ophthalmia during follow-up here. The incidence rate of sympathetic ophthalmia is 0.24% (6/2511, 95% CI:0.05-0.43%). The commonest presenting signs were anterior uveitis and exudative detachment. All patients were treated with systemic steroids, while 7 patients received additional immunosuppressive therapy. Eight patients had a follow-up of more than 6 months. Mean presenting best-corrected visual acuity (1.25 ± 1.03 logMAR) in the sympathizing eye improved significant following treatment (0.42 ± 0.80 logMAR, p = 0.003). Conclusions: The incidence of sympathetic ophthalmia was 0.24%. Appropriate immunosuppression can lead to favorable visual outcomes in the sympathizing eye. [ABSTRACT FROM AUTHOR]

Purpose: To report the outcomes of cataract surgery in ocular cicatricial pemphigoid (OCP). Setting: L. V. Prasad Eye Institute, Hyderabad, India. Design: Retrospective, interventional case series. Methods: Patients diagnosed with OCP who had undergone cataract surgery were included. Staging of disease, type of surgery, pre- and postoperative best-corrected visual acuity (BCVA), and number and duration of topical and systemic medications were recorded. Complications and any exacerbation or worsening of disease were noted. Results: Nine eyes of 7 patients (3 male, 4 female) were included in the study, with mean age of 60.44 ± 2.6 years (range 56-64 years). Follow-up ranged from 6 months to 10 years (mean 52.9 ± 46.25 months). Surgery performed was extracapsular cataract extraction with posterior chamber intraocular lens implantation ( n = 5) or phacoemulsification with posterior chamber intraocular lens implantation ( n = 4). Best-corrected visual acuity improved by more than 2 lines in 6 of 9 (66.67%) eyes, which remained stable till the last follow-up. Three eyes had no visual improvement due to corneal scar in 2 patients and preexisting posterior staphyloma in 1 eye. Disease progression was noted in 2 of 9 operated eyes by one stage at the end of 1 year. Conclusion: In this series, cataract surgery could be safely performed with no major intra- or postoperative complications. While the surgical intervention itself was not associated with acute exacerbations of inflammation, progression of disease was noted in some cases over time. In spite of ongoing disease, cataract surgery in OCP was associated with stable visual outcomes. [ABSTRACT FROM AUTHOR]

We thank the authors for their interest in our paper[1] and their insightful comments.[2] Auto-immune pathogenesis of the choroiditis was established by the fact that he had very high COVID antibody titres (IgG antibodies as detected by chemoluminescent immune assay (CLIA) for SARS-CoV-2 IgG >20 index; reference range: negative <1 index; positive >/ = 1 index) indicating a strong immune response to vaccine. Our patient had unilateral red eye and bilateral choroiditis within a week of the second dose with dramatic response to oral steroids within a few days, which suggests an immune pathogenesis rather than hyperviscosity as the underlying cause for the choroiditis. [Extracted from the article]