Publications by authors named "Balagiri Sundar"

Topic: The systematic review and meta-analysis consolidates the extant body of evidence comparing reliability and agreement between Transpalpebral Tonometers (TT) and Goldmann Applanation Tonometer (GAT).

Clinical Relevance: With a global prevalence of 3.54 percent, glaucoma stands as the second leading cause of preventable blindness.

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Purpose: Outbreaks of mucormycosis were reported worldwide throughout the COVID-19 pandemic. We report clinical outcomes of a treatment protocol for COVID-19-associated rhino-orbital-cerebral mucormycosis (ROCM).

Methods: Patients with biopsy-proven mucormycosis and COVID-19 were included.

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Purpose: To determine the incidence, risk factors and clinical outcomes in patients with nucleus drop (ND) following phacoemulsification surgery at a tertiary care ophthalmic institute.

Methods: Medical records of patients with ND during phacoemulsification between January'2019 and December'2022 were reviewed retrospectively. Incidence of ND was calculated overall, and according to surgical expertise levels and surgical steps.

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Purpose: Leptospirosis is a waterborne zoonotic disease prevalent in tropical regions, causing significant morbidity and mortality. It can involve any organ in its primary stage, and uveitis is its late complication. While advanced laboratory diagnosis is available only in tertiary care centers globally, a cost-effective bedside assessment of clinical signs and their scoring could offer a provisional diagnosis.

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Purpose: Dematiaceous fungi, the third most common causative organism of fungal keratitis, constitute 3.5% to 43.5% of fungal keratitis worldwide.

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Purpose: To assess the accuracy of reused iCare probes after disinfection with 70% isopropyl alcohol and ethylene oxide gas compared to new iCare probes and Goldmann applanation tonometry (GAT).

Design: Prospective comparative analysis.

Participants: A total of 118 eyes from 59 patients recruited from the Aravind Eye Hospital glaucoma clinic in Tirupati, South India.

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Purpose: To compare the effect of prostaglandin analogs (PGA) against other glaucoma medications (non-PGA) on the intraocular pressure (IOP) outcomes of combined trabeculectomy with phacoemulsification, and the conjunctival cell profile in persons with primary open-angle (POAG) and pseudoexfoliation glaucoma (PXFG).

Methods: A prospective cohort study was conducted among 116 patients with POAG or PXFG on glaucoma medications for a minimum of 3 months undergoing glaucoma triple procedure. Patients were divided into two groups (PGA and non-PGA) based on preoperative exposure to PGA.

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Background: The surgical intervention of refractory primary angle-closure glaucomas (PACGs) is a big challenge to any ophthalmologist since the efficacy of lens extraction in eyes with a long duration of angle closure is limited. Also, trabeculectomy in such eyes is not without vision-threatening complications.

Purpose: To evaluate the efficacy and safety of diode laser transscleral cyclophotocoagulation (CPC) in eyes with refractory PACG.

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In 2020, the global prevalence of glaucoma was estimated to be 76 million and it was projected to increase to 111.8 million by 2040. Accurate intraocular pressure (IOP) measurement is imperative in glaucoma management since it is the only modifiable risk factor.

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Article Synopsis
  • This study evaluated the outcomes of manual small incision cataract surgery (MSICS) on 286 patients who had cataracts complicated by corneal opacity at a tertiary care eye hospital.
  • It found that nebular corneal opacity was the most common type, often resulting from trauma or infection, and the intra-operative complication rate was 4.89%.
  • The surgery significantly improved patients' vision, with median logMAR vision enhancing from 1.08 pre-operatively to 0.3 post-operatively, indicating that MSICS is an effective alternative for these cases.
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Purpose: The coronavirus disease 19 (COVID-19) pandemic has resulted in a huge impact on the health care system. Diversion of health care workforce toward management of a high number of COVID-19 cases and lockdown restrictions have affected the follow-up of patients. The objective of this study was to analyze the impact of this situation on the control of diabetes, eventually resulting in related neuro-ophthalmological complications.

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Purpose: To assess the accuracy of refraction measurements by ClickCheckTM compared with the standard practice of subjective refraction at a tertiary level eye hospital.

Design: Diagnostic accuracy trial.

Methods: All participants, recruited consecutively, underwent auto-refraction (AR) and subjective refraction (SR) followed by refraction measurement using ClickCheckTM (CR) by a trained research assistant.

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Purpose: To validate the fundus image grading results by a trained grader (Non-ophthalmologist) and an ophthalmologist grader for detecting diabetic retinopathy (DR) and diabetic macular oedema (DMO) against fundus examination by a retina specialist (gold standard).

Methods: A prospective diagnostic accuracy study was conducted using 2002 non-mydriatic colour fundus images from 1001 patients aged ≥40 years. Using the Aravind Diabetic Retinopathy Evaluation Software (ADRES) images were graded by both a trained non-ophthalmologist grader (grader-1) and an ophthalmologist (grader-2).

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Purpose: To evaluate a system that objectively assesses the risk of cataract surgery complications performed with phacoemulsification and manual small incision cataract surgery (MSICS) techniques.

Methods: The study was a retrospective comparative interventional case series. Electronic medical records of consecutive eyes that underwent cataract surgery from January 2019 to December 2019 were evaluated.

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Purpose: To report the incidence, risk factors, and visual outcomes of acute postoperative endophthalmitis in patients undergoing resurgery after cataract surgery.

Setting: Tertiary eye hospital in southern India.

Design: Retrospective, clinical registry.

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