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Purpose: The aim of this study was to present the surgical management of a patient with ocular copper deposition associated with monoclonal gammopathy of undetermined significance (MGUS)., Methods: This is a case report of a 44-year-old man with MGUS who presented to us with bilateral diffuse deposition of copper in the cornea and lens., Results: Despite initiating systemic therapy for MGUS, no corneal clearing was observed. A decision was made to proceed with cataract extraction in the left eye given worsening vision. Despite trypan blue staining and a central descemetorhexis, visualization remained too poor to complete phacoemulsification. Pars plana lensectomy and vitrectomy to remove the residual lens material and placement of a posterior chamber intraocular lens in the sulcus with endoillumination was subsequently performed. As vision in the left eye steadily improved postoperatively, cataract surgery was then performed in the right eye. With use of trypan blue, creation of a 6-mm central descemetorhexis, and a retinal light pipe for endoillumination anteriorly to augment visualization, capsulorhexis, phacoemulsification, and insertion of intraocular lens in the bag were completed without difficulty. The patient's vision improved at subsequent follow-ups, reaching a final best-corrected visual acuity of 20/20-1 in the right eye and 20/25-1 in the left eye., Conclusions: Ocular copper deposition is a rare manifestation of MGUS. Cataract extraction is challenging, often requiring advanced techniques. Endoillumination is useful to improve visualization through the dense corneal copper deposition., Competing Interests: The authors have no funding or conflicts of interest to disclose., (Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.)

Purpose: To determine early endophthalmitis incidence and risk factors after glaucoma surgeries in the Medicare population., Design: Retrospective, longitudinal study., Participants: Medicare Fee-for-Service (FFS) and Medicare Advantage beneficiaries in the United States aged 65 years or older undergoing glaucoma surgery., Methods: Medicare claims were used to identify all patients who underwent glaucoma, cataract, or combined cataract/glaucoma surgery from 2016 to 2019. Endophthalmitis cases within 42 days of the index surgery were identified using the diagnostic codes. Multivariable logistic regression models were used to evaluate factors associated with postoperative endophthalmitis., Main Outcome Measures: The 42-day postoperative endophthalmitis incidence and risk factors associated with endophthalmitis after glaucoma surgery., Results: There were 466 928 glaucoma surgeries, of which 310 823 (66.6%) were combined with cataract surgery. Cataract surgeries alone (n = 8 460 360) served as a reference group. Microinvasive glaucoma surgeries constituted most glaucoma procedures performed (67.8%), followed by trabeculectomy (14.0%), tube shunt (10.9%), and other procedures (7.3%). There were 572 cases of endophthalmitis identified after all glaucoma surgeries. Endophthalmitis incidence after glaucoma, combined cataract/glaucoma, and cataract surgeries alone was 1.5 (95% confidence interval [CI], 1.3-1.7), 1.1 (95% CI, 1.0-1.2), and 0.8 (95% CI, 0.8-0.8) per 1000 procedures, respectively. The median day of diagnosis of endophthalmitis was later for glaucoma surgeries (16.5 days) compared with combined cataract/glaucoma or cataract surgeries alone (8 and 6 days, respectively). Compared with microinvasive glaucoma surgery (MIGS), tube shunts were the only surgery type to be a significant risk factor for endophthalmitis for both stand-alone (adjusted odds ratio [aOR], 1.8, P = 0.002) and combined surgery (aOR 1.8, P = 0.047). The other risk factor for both stand-alone (aOR 1.1, P = 0.001) and combined (aOR 1.06, P = 0.049) surgeries was the Charlson Comorbidity Index (CCI). Age (aOR 1.03, P = 0.004) and male gender (1.46, P = 0.001) were significant risk factors for combined cataract and glaucoma surgeries., Conclusions: Compared with cataract surgery, early endophthalmitis incidence was higher for both glaucoma and combined cataract/glaucoma surgeries, with the highest incidence among tube shunts., Financial Disclosure(s): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article., (Copyright © 2023 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)

Aims: To determine endophthalmitis rates and risk factors following intraocular surgeries in the Medicare population., Methods: Retrospective, cross-sectional study from 2016 to 2019 in Medicare fee-for-service and Medicare Advantage beneficiaries. 100% Medicare claims were used to identify eyes that underwent intraocular surgery. Exclusion criteria included eyes that had intraocular surgery 42 days before or after and eyes in patients with a history of endophthalmitis within 12 months., Results: 9 744 400 intraocular surgeries were performed among Medicare beneficiaries from 2016 to 2019. A 42-day postoperative endophthalmitis rate was 0.09%. Endophthalmitis rate by surgery type was 0.43% for corneal transplant, 0.36% for secondary intraocular lens (IOL), 0.24% for retina, 0.16% for glaucoma, 0.11% for cataract combined with other procedures and 0.08% for cataract surgeries alone. On multivariable analysis, the risk of endophthalmitis was increased for all intraocular surgery types when compared with cataract surgeries; adjusted OR (aOR) 5.30 (p<0.01) for corneal transplant, aOR 4.50 (p<0.01) for secondary IOL, aOR 3.00 (p<0.01) for retina, aOR 1.93 (p<0.01) for glaucoma, aOR 1.45 (p<0.01) for combined cataract surgeries. Increased risk of developing endophthalmitis was associated with older age (≥85 vs 65-75 years: aOR 1.36; p<0.01), male sex (aOR 1.20; p<0.001) and greater Charlson Comorbidity Index (≥7 vs 0: aOR 1.79; p<0.01)., Conclusions: Postoperative endophthalmitis rate after intraocular surgeries was 0.09% between 2016 and 2019 for Medicare beneficiaries. Endophthalmitis rates were highest for corneal transplant surgeries followed by secondary IOL surgeries and lowest for cataract surgeries. Older age, male gender and higher comorbidity index were associated with risk of endophthalmitis., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Purpose: To determine the incidence, risk factors, and visual outcomes of cystoid macular edema (CME) after cataract surgery in the United States., Design: Retrospective, longitudinal, case-control study., Participants: Patients aged ≥ 18 years who underwent phacoemulsification cataract surgery., Methods: The American Academy of Ophthalmology IRIS® Registry (Intelligent Research in Sight) was used to analyze patients who underwent cataract surgery between 2016 and 2019. Patients who received a diagnosis of CME within 90 days after cataract surgery were classified as cases, and the rest were classified as controls. Multivariable logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for risk factors associated with the development of CME as well as poor visual outcome (defined as a best-recorded visual acuity worse than 20/40 Snellen equivalent at postoperative month 12)., Main Outcome Measures: Incidence, demographics, baseline characteristics, and visual outcomes., Results: Of 3.1 million cataract surgeries performed during the study period, CME was diagnosed in 25 595 eyes (0.8%), with an average onset of 6 weeks. Patients with CME were more likely to be male, to be aged < 65 years, to be Black, and to have preexisting diabetic retinopathy. Patients with CME were more likely to have a poor visual outcome (OR, 1.75; 95% CI, 1.66-1.84; P < 0.001), with a mean best-recorded visual acuity of 20/30 at postoperative month 12 (compared with 20/25 for those without CME; P < 0.001). Other factors associated with a poor visual outcome included smoking, Medicaid insurance, non-White race, and baseline ocular comorbidities such as macular degeneration and retinal vein occlusion., Conclusions: Although the incidence of CME after cataract surgery is low and most eyes achieve a visual acuity of 20/40 or better, there are significant outcome disparities that warrant further exploration., Financial Disclosure(s): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article., (Copyright © 2023 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)

Purpose: To determine national incidence and risk factors associated with developing endophthalmitis after cataract surgery in the United States., Design: Retrospective, cross-sectional analysis., Participants: Medicare beneficiaries aged ≥65 years undergoing cataract surgery between 2011 and 2019., Methods: Medicare claims were used to identify all patients who underwent ≥1 cataract surgery between 2011 and 2019. Endophthalmitis cases within 90 days of the cataract surgery were identified using diagnostic codes. Patients with a history of endophthalmitis 12 months before their cataract surgery procedure were excluded. Annual and aggregate 9-year incidences were determined for all cataract surgeries and for stand-alone cataract procedures. A stepwise multivariable logistic regression model using generalized estimating equations was used to evaluate factors associated with occurrence of postoperative endophthalmitis., Main Outcome Measures: The 90-day postoperative endophthalmitis rate and patient risk factors associated with onset of endophthalmitis after cataract surgery., Results: A total of 14 396 438 cataract surgeries were performed among Medicare beneficiaries between 2011 and 2019. The overall 90-day postoperative endophthalmitis rate was 1.36 per 1000 cataract surgeries for all cataract procedures and 1.30 per 1000 cataract surgeries for stand-alone cataract procedures. A decreasing trend was noted for postoperative endophthalmitis rates during the 9-year study period. On multivariable analysis, the risk of endophthalmitis after cataract surgery was increased for cases performed among those aged ≥75 years versus those aged <75 years (odds ratio [OR], 1.14; 95% confidence interval [CI], 1.11-1.18), Blacks (OR, 1.13; 95% CI, 1.07-1.20), Native Americans (OR, 1.43; 95% CI, 1.19-1.73), and eyes with any history of invasive glaucoma surgery (OR, 1.40; 95% CI, 1.18-1.65). Cataract cases combined with retinal surgery (OR, 2.60; 95% CI, 2.15-3.16) and those performed when the Charlson Comorbidity Index (CCI) was greater than 0 also had an increased likelihood of developing endophthalmitis. The risk of endophthalmitis was lower for cases performed on women versus men (OR, 0.89; 95% CI, 0.86-0.92)., Conclusions: The overall 90-day postoperative endophthalmitis rate after cataract surgery was 1.36 per 1000 cataract surgeries between 2011 and 2019. Patient age, gender, race, and CCI were associated with risk of endophthalmitis., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)