Publications by authors named "Asaf Achiron"
Background: One of the major causes of reversible visual impairment is a refractive error, which can be corrected through refractive surgery. Data regarding the outcomes and complications of these procedures exist; however, there is a notable gap in understanding the factors leading to patient rejection, particularly in diverse populations like Israel.
Objectives: To detect clinical risk factors of patients who intend to undergo LASIK procedure and to improve the conversion rates of LASIK procedure in this population.
Introduction: In this case report, we demonstrate the application of an aspheric macular lens (Grieshaber, Alcon) for conducting posterior segment procedures after a posterior capsular rupture (PCR) occurrence during cataract surgery.
Case Presentation: During a cataract surgery on a 70-year-old female patient, a PCR was identified, accompanied by the descent of the lens into the vitreous, and prompted subsequent interventions. This involved performing posterior-assisted levitation, anterior segment phacoemulsification, and anterior segment vitrectomy.
Purpose: To assess the risk for pseudophakic cystoid macular oedema (PCME) and posterior capsular opacification (PCO) associated with combined cataract surgery and trabeculectomy compared to cataract surgery alone.
Methods: Data analysis of subjects who underwent routine cataract surgery without and with concomitant trabeculectomy at the Department of Ophthalmology, Bristol Eye Hospital, the UK, between January 2008 and December 2017. Odds ratios (ORs) for PCME between the types of surgeries were calculated using univariate and multivariate regression analysis.
Introduction: The study aimed to compare postoperative pain between alcohol-assisted and transepithelial photorefractive keratectomy in patients who received the novel analgesic preoperative nepafenac treatment 2 days preoperatively and 3 days postoperatively. Pain, stinging, tearing, light sensitivity, and stress levels were evaluated.
Methods: The study included a retrospective analysis of 55 patients divided into two groups: bilateral alcohol-assisted photorefractive keratectomy (aa-PRK) and transepithelial photorefractive keratectomy (transepithelial-PRK).
The "Ballerina" Sign: Posterior Capsular Rupture during Cataract Surgery.
Case Rep Ophthalmol
August 2024
Introduction: In this case study, we present the "Ballerina" sign as a potentially valuable clinical indicator for detecting posterior capsular rupture (PCR) during cataract surgery. The purpose of this study is to highlight the significance of PCR in the context of cataract surgery and introduce this novel sign.
Case Presentation: During the cataract operation on a 70-year-old patient, we observed a spiraling fragment of the nucleus attached to a vitreous string.
Purpose: To describe the placement of a silicone shield to protect the optical cylinder following osteo-keratoprosthesis or osteo-odonto-keratoprosthesis (O/OKP) procedures in four patients.
Methods: In this retrospective observational study, we reviewed all patients who underwent O/OKP in our tertiary medical centre. We found four patients in whom a protective cellphone silicone shield (VisionGuard, Zagg, Utah, USA) was cut with a 3 mm dermal punch and placed on the polymethyl methacrylate (PMMA) optical cylinder of an O/OKP 3-4 months after implantation to either correct or prevent abrasions.
Purpose: To compare the accuracy of 16 intraocular lens (IOL) power calculation formulas in pediatric cataract eyes.
Patients And Methods: The data records of pediatric patients who had been implanted with three IOL models (SA60AT, MA60AC, and enVista-MX60) between 2012 and 2018 were analyzed. The accuracy of 16 IOL power calculation methods was evaluated: Barrett Universal II (BUII), Castrop, EVO 2.
Complications of pupil expansion devices: a large real-world study.
Front Ophthalmol (Lausanne)
December 2023
Purpose: To assess the risk for uveitis, pseudophakic cystoid macular edema (PCME), and posterior capsular opacification (PCO) associated with the use of pupil expansion devices in cataract surgery.
Design: A retrospective comparative cohort study.
Participants: Patients who underwent routine cataract surgery with and without pupil expansion devices at the Department of Ophthalmology, Bristol Eye Hospital, UK, between January 2008 and December 2017.
Purpose: To assess the effect of blue-light filtering (BLF) intraocular lenses (IOLs) on the development and progression of macular atrophy (MA) in eyes with neovascular age-related macular degeneration (nAMD).
Design: Retrospective, clinical cohort study.
Methods: The study included patients with nAMD with anti-vascular endothelial growth factor (VEGF) injections who underwent uneventful cataract surgery between 2007 and 2018 with follow-up until June 2023.
Article Synopsis
- The study aimed to compare two techniques for scleral fixation of intraocular lenses (IOL): the double-flanged polypropylene method and the Hoffman scleral pocket method.
- Involving 140 patients, the results showed that both techniques produced similar visual acuity outcomes, but the flange technique resulted in less myopic spherical equivalents and had a higher incidence of complications, such as elevated intraocular pressure and corneal edema.
- The flange technique may be a viable option for scleral IOL fixation due to its shorter learning curve and comparable surgical time, despite having more complications associated with it.
Purpose: This study aims to investigate the relationship between the type and severity of refractive error and anisometropia development in preschool children.
Design: Retrospective cohort study.
Methods: Data from Maccabi Healthcare Services, Israel's second-largest Health Maintenance Organization (HMO), were analyzed.
Objective: To assess the effect of diabetes type on Nd:YAG capsulotomy rates following cataract surgery.
Design: A retrospective cohort study.
Methods: All patients who underwent cataract extraction at the Department of Ophthalmology, Bristol Eye Hospital, Bristol, UK, between 2003 and 2017 were included.
Objective: This study assessed the effect of combining corneal collagen cross-linking (CXL) with refractive laser ablation techniques for the treatment of keratoconus, a progressive corneal disorder.
Methods: We performed a systematic review and meta-analysis to assess the effect of combined CXL and refractive techniques. We included all published clinical trials or observational studies published by September 1, 2023.
Introduction: Though patients with nanophthalmos frequently endure decreased quality of vision with contact lenses or spectacles, refractive surgery is generally an inadequate alternative due to the associated high refractive error. A refractive lens exchange (RLE) is an alternative option but is technically challenging, requiring accuracy in biometry measurements and procedures.
Case Presentation: This case discusses a 27-year-old female with nanophthalmos (axial lengths 17.
Purpose: To evaluate whether cooled anaesthetic eyedrops and antiseptics alleviate pain and minimise subconjunctival haemorrhage following intravitreal injection.
Methods: A prospective, double-masked, randomised controlled trial of 100 participants receiving either cooled (n = 50) or room temperature (n = 50) topical anaesthetic eyedrops and antiseptics before receiving an injection of bevacizumab. Baseline tolerability was estimated using a self-reported pain sensitivity questionnaire.
Background: This study aimed to compare visual results following the implantation of two distinct diffractive trifocal IOLs utilizing various vision evaluation techniques and subjective satisfaction.
Methods: The study included 32 eyes receiving AcrySof IQ PanOptix implantation and 32 receiving AT LISA tri 839 MP. Post-operative examination at one year included uncorrected visual acuity (UCVA), distance-corrected visual acuity (DCVA) at 4 m, 80 cm, 60 cm, and 40 cm, Contrast sensitivity under photopic and mesopic conditions, and a questionnaire on subjective quality of vision, optical phenomena, and spectacle independence.
Photoactivated Chromophore for Infectious Keratitis-Corneal Cross-Linking (PACK-CXL) has garnered substantial interest among researchers and ophthalmologists due to its high promise as a potential treatment for infectious keratitis. The aim of this study is to evaluate the efficacy and safety of high fluence PACK-CXL, using 10.0 J/cm (30 mW/cm, 5 min, and 33 s) at the slit lamp.
View Article and Find Full Text PDFPurpose: To evaluate the association of different pre-operative parameters with surprise phacodonesis during cataract surgery among patients with pseudoexfoliation (PXF).
Materials And Methods: This is a retrospective charts review of all PXF patients who underwent cataract surgery between the years 2013 and 2018. Pre-operative parameters (demographics, biometry, intraocular pressure (IOP), endothelial cell count, pupil size, cataract density, glaucoma status, cup to disc ratio, number of glaucoma medications, prior intra-vitreous injections, risk for intraoperative floppy iris syndrome) were compared between patients with and without surprise phacodonesis.
Dry eye disease is the most frequent non-refractive postoperative complication following refractive surgery. This prospective study investigated the development of dry eye disease after three common refractive laser surgeries: laser in situ keratomileusis (LASIK), photorefractive keratectomy (PRK), and laser-assisted sub-epithelial keratectomy (LASEK). Patients who underwent uneventful refractive surgery in a single private medical center between May 2017 and September 2020 were included.
View Article and Find Full Text PDFPrcis: Among patients who underwent uneventful cataract surgery, an advantage was seen to blue-light filtering (BLF) intraocular lenses (IOLs) in terms of glaucoma-free survival and glaucoma procedure-free survival. Among patients with preexisting glaucoma, no advantage was seen.
Purpose: To assess the effect of BLF IOLs on the development and progression of glaucoma after cataract surgery.
Netarsudil ophthalmic solution 0.02% is a new treatment for open-angle glaucoma and ocular hypertension, which was approved for treatment in the United States and in the European Commission. The drug is a rho- kinase inhibitor (ROCK) that lowers intraocular pressure by enhancing the outflow at the trabecular meshwork and decreasing both aqueous humor production and episcleral venous pressure.
View Article and Find Full Text PDFPurpose: To analyze new-onset mental and behavioral disorders and nervous system diseases in patients with cataract implanted with either non-blue-light filtering (BLF) or BLF intraocular lenses (IOLs) in both eyes.
Setting: Department of Ophthalmology, Kymenlaakso Central Hospital, Kotka, Finland.
Design: A retrospective registry-based cohort study of patients operated between September 2007 and December 2018 who were followed until December 2021.
Use of corneal cross-linking beyond keratoconus: a systemic literature review.
Graefes Arch Clin Exp Ophthalmol
September 2023
Article Synopsis
- The review investigates the effectiveness of corneal collagen cross-linking beyond its established use in progressive keratoconus.
- The analysis of 97 studies indicates that collagen cross-linking may help slow the progression of various corneal diseases, potentially minimizing the need for more invasive surgeries like keratoplasty.
- However, the overall evidence is limited, particularly for specific types of keratitis, making it essential to exercise caution and further study its safety and efficacy.
The Antibacterial Efficacy of High-Fluence PACK Cross-Linking Can Be Accelerated.
Transl Vis Sci Technol
February 2023
Purpose: To determine whether high-fluence photoactivated chromophore for keratitis cross-linking (PACK-CXL) can be accelerated.
Methods: Solutions of Staphylococcus aureus and Pseudomonas aeruginosa with 0.1% riboflavin were prepared and exposed to 365 nm ultraviolet (UV)-A irradiation of intensities and fluences from 9 to 30 mW/cm2 and from 5.
Objective: To report preliminary experience using the BeyeonicsOne (Beyeonics Vision, Haifa, Israel) digital visualization platform and the utilization of its three-dimensional (3D) head-mounted display (HMD) in cataract surgery.
Methods: An interventional case series including patients who underwent cataract surgery using the 3D HMD platform at the Tel Aviv Medical Center. The system uses the HMD unit to display high-resolution real-time 3D surgical field images.