Publications by authors named "Sara Alshaker"
Article Synopsis
- This study evaluated the performance of various large language model (LLM) chatbots, including ChatGPT and Google Bard, in responding to cornea-related medical scenarios to assess their effectiveness in clinical settings.
- ChatGPT performed the best overall, scoring an average of 83.8% across various evaluation criteria, while Google Bard excelled in readability metrics.
- The research underscores the potential benefits of LLMs in ophthalmology but emphasizes the need for careful monitoring and professional oversight to ensure safety and effectiveness in patient care.
Purpose: To compare scanning-slit retinoscopy automated refraction spherical equivalent (ARSE) to subjective manifest refraction spherical equivalent (MRSE) in normal eyes with four different types of intraocular lenses (IOLs).
Design: Retrospective cross-sectional study.
Methods: A total of 279 pseudophakic eyes that underwent lens extraction at a private center with implantation of either a wavefront shaped IOL (Acrysof® Vivity, DFT015), a nonapodized diffractive trifocal IOL (Acrysof® Panoptix), or a monofocal IOL with negative spherical aberration (Tecnis ZCBOO) or aberration-free (Envista Mx60E).
Article Synopsis
- The study looked at how much the endothelial cells in eye tissues were lost after being stored for 1 and 5 days using a special transport system.
- The researchers used different inks to mark the tissues, but the loss of cells was pretty similar no matter which ink was used.
- In the end, the tissues were still in good condition for eye surgery, showing that the storage method worked well.
Objective: To report a case of a retrocorneal fibrous membrane and corneal decompensation following uncomplicated phacoemulsification in an eye with pseudoexfoliative glaucoma.
Method: Case report and literature review.
Results: A monocular 83-year-old female developed corneal decompensation 1 year after uncomplicated cataract extraction via phacoemulsification.
Objective: To describe clinical features and management of toxic keratoconjunctivitis associated with punctal and (or) canaliculus stenosis (toxic soup syndrome).
Design: Retrospective observational case series.
Methods: Electronic medical record database search for the keywords "toxic soup syndrome" and retrospective chart review were performed.
Purpose: The aim of the study was to report clinical outcomes of Descemet membrane endothelial keratoplasty (DMEK) combined with transscleral-sutured intraocular lens (IOL) compared with DMEK combined with phacoemulsification and posterior chamber IOL (Phaco-DMEK).
Methods: A retrospective chart review of all patients who underwent DMEK combined with transscleral-sutured intraocular lens fixation or combined with phacoemulsification for Fuchs endothelial corneal dystrophy from 2016 to 2021 at the Toronto Western Hospital or the Kensington Eye Institute (Toronto, ON, Canada) and had at least 18 months of follow-up was performed. Main outcomes were postoperative distance-corrected visual acuity, rebubbling rate, graft survival rate, and complications.
Objective: To retrospectively analyze the visual outcomes of KAMRA (AcuFocus Inc, Irvine, Calif.) inlay insertion in a cohort of patients reporting success of procedure, complications, patient satisfaction, and refractive outcomes.
Design: Retrospective trial at the TLC Laser Centre, Toronto.
Purpose: The purpose of this study was to assess long-term stability and outcomes of femtosecond astigmatic keratotomy (FSAK) after treatment of high postkeratoplasty astigmatism.
Methods: This retrospective study included patients who underwent FSAK for high astigmatism (≥4 D) after penetrating keratoplasty or deep anterior lamellar keratoplasty. Main outcome measures were corneal astigmatism, uncorrected visual acuity, and best-corrected visual acuity (BCVA) at 1 month and 1, 5, and 10 years.
Purpose: This study aims to determine predictive factors for success of Descemet stripping only (DSO) in Fuchs corneal endothelial dystrophy and propose a DSO treatment algorithm.
Methods: Ovid MEDLINE, Embase, and Cochrane CENTRAL databases were searched to evaluate DSO case series, including combined phacoemulsification and DSO, and the use of Rho-kinase inhibitors (ROC-i). Our primary outcome was success of corneal clearance.
Purpose: The purpose of this study was to evaluate 5-year safety and efficacy outcomes of femtosecond-enabled Descemet membrane endothelial keratoplasty (F-DMEK) in patients with Fuchs' endothelial dystrophy (FED).
Methods: This was a retrospective study, including patients with FED and cataract who underwent either F-DMEK (16 eyes of 15 patients) or manual DMEK (M-DMEK) (42 eyes of 37 patients) combined with cataract extraction. Outcome measures included visual acuity, graft detachment, graft survival, and endothelial cell loss.
Purpose: With the rise in COVID-19 cases, the Eye Bank of Canada (Ontario Division), the largest eye bank in Canada, was faced with challenges related to ocular donor suitability which resulted in tissue shortages after the first wave of COVID-19 cases in Ontario, Canada. This article aims to analyze the impact of COVID-19 on ocular tissue donation and transplant surgeries.
Methods: Trends in ocular donations in 2020 and the transplant rates were compared with the data from the previous year, as a benchmark of normal eye bank activity.
Objective: To compare subjective and objective outcomes of 4 different Descemet membrane endothelial keratoplasty (DMEK) peeling techniques performed by novice surgeons at different stages in their surgical career.
Design: An ex vivo prospective study.
Methods: In the first round, 2 DMEK peeling techniques were pitched against each other: the peripheral scoring and Sinskey dissection technique with the peripheral scoring and microhoe dissection and the peripheral blunt microhoe dissection against the scleral spurectomy and microhoe dissection.
Purpose: To report outcomes of tape splint tarsorrhaphy (TST) for persistent corneal epithelial defects (PCED).
Design: Retrospective, interventional case series.
Methods: The study population was consecutive patients with a PCED (14 days or longer) treated at a tertiary cornea clinic with TST.
Purpose: To investigate outcomes of femtosecond laser (FL)-assisted cataract surgery (FLACS) and refractive lens exchange (RLE) in patients with prior radial keratotomy (RK).
Setting: Single clinical practice.
Design: Retrospective observational case series.
Purpose: The success of Descemet stripping only (DSO) is optimized by performing a well-centered, accurately sized diameter of descemetorhexis with a smooth curvilinear border. To achieve this success, we describe a repeatable and relatively straightforward technique to optimize this descemetorhexis for DSO.
Methods: The "two-flaps" technique uses the Gorovoy DSO forceps.
Article Synopsis
- The study compares the 4-year survival rates of two eye surgery techniques, DMEK and DSAEK, in patients who had previous glaucoma surgery.
- Both techniques showed similar graft survival and rejection rates, indicating effectiveness in this context.
- However, patients who underwent DMEK experienced better visual acuity in the postoperative period compared to those who had DSAEK.
Botulinum toxin is an important treatment for many conditions in ophthalmology, including strabismus, nystagmus, blepharospasm, hemifacial spasm, spastic and congenital entropion, corneal exposure, and persistent epithelial defects. The mechanism of action of botulinum toxin for both strabismus and nystagmus is the neuromuscular blockade and transient paralysis of extraocular muscles, but when botulinum toxin is used for some forms of strabismus, a single injection can convey indefinite benefits. There are two unique mechanisms of action that account for the long-term effect on ocular alignment: (1) the disruption of a balanced system of agonist-antagonist extraocular muscles and (2) the reestablishment of central control of alignment by the binocular visual system.
View Article and Find Full Text PDFManagement of a Large Congenital Hemangioma Obstructing Visual Axis: A Case Report and Review of Literature.
Ophthalmic Plast Reconstr Surg
January 2020
Congenital hemangiomas comprise a subset of vascular tumors with clinicopathologic features that are distinct from the more common infantile hemangioma. The authors present a patient with a large congenital hemangioma involving the forehead and brow which obstructed the visual axis and created significant risk for deprivational amblyopia. Management of the congenital hemangioma involved customized headgear to clear the visual axis and early vascular embolization of feeder vessels with the subsequent successful surgical resection at 23 days of life.
View Article and Find Full Text PDFPurpose: To compare the outcomes of Descemet stripping automated endothelial keratoplasty (DSAEK) with Descemet membrane endothelial keratoplasty (DMEK) for the treatment of failed penetrating keratoplasty (PKP).
Methods: This is a retrospective chart review of patients with failed PKP who underwent DMEK or DSAEK. The median follow-up time for both groups was 28 months (range 6-116 months).