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Double Povidone-Iodine 5% Preparation Before Cataract Surgery for Endophthalmitis Prevention.
Eye Contact Lens
January 2025
UPMC Eye Center (J.L.O., L.Z., A.M., E.G.R., R.M.Q.S., D.K.D.), University of Pittsburgh School of Medicine, Pittsburgh, PA; Charles T. Campbell Laboratory of Ophthalmic Microbiology (A.M., E.G.R., R.M.Q.S., D.K.D.), Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA; Associated Retina Consultants (J.L.O.), Phoenix, AZ; and San Antonio Eye Center (J.W.), San Antonio, TX.
Objective: To compare endophthalmitis rates after cataract extraction in patients with different preoperative prophylaxis: double povidone-iodine preparation with topical antibiotics versus a control group.
Methods: All cases of postoperative endophthalmitis over the last 17 years were reviewed. Incidence rates of endophthalmitis for all cataract surgeries (current procedural terminology codes 66982 and 66984) performed by 26 surgeons were calculated.
Double-layer sign of the anterior lens capsule during cataract surgery: A case report.
Medicine (Baltimore)
January 2025
Zhuhai People's Hospital, Zhuhai, China.
Rationale: The double-layer sign of the anterior lens capsule during continuous curvilinear capsulorrhexis (CCC) in cataract surgery is a rare phenomenon. This case report highlights the occurrence of this sign and provides a practical technique for managing it.
Patient Concerns: A 55-year-old Chinese woman presented with blurred vision in her left eye.
Recent trends and outcomes in immediate and delayed sequential bilateral cataract surgeries: a nationwide cohort study in South Korea.
Graefes Arch Clin Exp Ophthalmol
January 2025
Department of Ophthalmology, Korea University Guro Hospital, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea.
Purpose: To analyze the latest annual trends in immediate sequential bilateral cataract surgery (ISBCS) and delayed sequential bilateral cataract surgery (DSBCS) among patients with bilateral cataracts in Korea, and to identify the factors influencing the choice of surgery and the outcomes associated with ISBCS and DSBCS.
Methods: This retrospective, nationwide cohort study included all patients aged 65 and older who were covered by the Korean National Health Insurance and underwent ISBCS or DSBCS from 2016 to 2021. The study recorded yearly numbers of ISBCS and DSBCS procedures, the interval between surgeries in DSBCS cases, patient demographics, types of implanted intraocular lenses (IOLs), and the incidence of cystoid macular edema and endophthalmitis following ISBCS or DSBCS.
Comparison of Ultrasound Energy Delivered to the Anterior Segment Across Different Phacoemulsification Surgical Platforms.
Med Devices (Auckl)
January 2025
Department of Ophthalmology and Visual Sciences, John A Moran Eye Center, University of Utah, Salt Lake City, Utah, USA.
Purpose: The aim of this study was to use calorimetry to understand the difference in energy transferred by three phacoemulsification surgical platforms to the eye.
Patients And Methods: A phacoemulsification tip was lowered into a double-walled calorimeter filled with distilled water. The foot pedal was depressed for 30 seconds and the change in temperature of the water was measured by a temperature probe.
Highly Efficient and achromatic mid-infrared silicon nitride meta-lenses.
Sci Rep
January 2025
Department of Physics, The American University in Cairo, New Cairo, 11835, Egypt.
Inverse design with topology optimization considers a promising methodology for discovering new optimized photonic structure that enables to break the limitations of the forward or the traditional design especially for the meta-structure. This work presents a high efficiency mid infra-red imaging photonics element along mid infra-red wavelengths band starts from 2 to 5 µm based on silicon nitride optimized material structures. The first two designs are broadband focusing and reflective meta-lens under very high numerical aperture condition (NA = 0.
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