Longitudinal evaluation of macular vascular density alterations in unilateral amblyopic children undergoing therapy: An optical coherence tomographic angiography study.

Importance: Understanding the pathophysiology of the macula in amblyopic eyes is an active research area.

Objective: To correlate macular retinal vascular density changes with best-corrected visual acuity changes following occlusion therapy for amblyopia in children.

Design: A prospective cohort study of children visiting the Pediatric Ophthalmology Division of our institution between January 2020 and January 2022 was conducted.

Evaluation of Foveal Avascular Zone After Strabismic and Anisometropic Amblyopia Therapy in Saudi Children Using Optic Coherence Tomography Angiography: A Cohort Study.

Purpose: Optical coherence tomography angiography (OCTA) noninvasively images retinal microvasculature. Foveal avascular zone (FAZ) biomarkers can act as indicators of various forms of amblyopia, making them valuable tools for clinicians. The purpose of this study was to assess the effect of amblyopia therapy on the FAZ using OCTA to determine FAZ size in children with untreated amblyopia.

Characteristics, Etiological Factors, and Visual Outcomes of Pediatric Open Globe Injuries in Central Saudi Arabia: A 22-Year Retrospective Study.

Purpose: To discuss the characteristics, etiological factors, and visual outcomes of open globe injuries (OGIs) in children at a tertiary eye hospital in Riyadh, Central Saudi Arabia.

Methods: This was a hospital-based cohort study conducted in 2021. Children aged ≤16 years with OGI based on the Birmingham Eye Trauma Terminology classification were included.

An ophthalmology professionalism survey tool: outcomes from a multi-center study in Central India.

Purpose: To describe a professionalism survey tool and its use to assess knowledge of medical professionalism in ophthalmology training programs in Central India.

Settings And Design: Multi-center survey study.

Methods: A validated 33-question, scenario-based survey addressing professionalism attributes was administered at five centers in central India.

Evaluation of magnesium sulfate as an adjuvant in sub-Tenon anesthesia for cataract surgery: A prospective, randomized controlled trial.

Purpose: To evaluate the efficacy, safety, and satisfaction for the use of adjuvant; magnesium sulfate (MgSO) in sub-Tenon anesthesia for cataract surgery.

Methods: This single centered randomized, double blind trial was held in 2021 after approval of ethical committee at the Eye Hospital, Riyadh, Saudi Arabia. Cataract patients to be operated using local anesthesia were randomly assigned to two groups; Group magnesium sulfate (MS) received 50 mg/0.

Treatment Outcome of Occlusion for Unilateral Amblyopia in Saudi Children 6-12 Years Old.

Purpose: The purpose of this study was to estimate the rate and review determinants of successful therapy for unilateral amblyopia in children.

Methods: This prospective cohort consisted of Saudi children aged 6-12 who received amblyopia therapy between 2020 and 2022. Best-corrected visual acuity (BCVA) in the amblyopic eye improved to reach the BCVA of the fellow eye at follow-up visits, or BCVA in the amblyopic eye improved and remained stable over three follow-up visits.

Optical Coherence Tomography Based Choroidal Thickness and Its Determinants in Healthy Saudi Population: A Cross-Sectional Study.

Purpose To study choroidal thickness (CT) and its determinants based on optical coherence tomography (OCT) in the healthy adult Saudi population. Materials and methods This cross-sectional study was conducted in 2021 at a tertiary eye hospital in Saudi Arabia. The autorefractor-based refractive status (spherical equivalent) of each eye was documented.

Validity of an Ocular Emergency Triage System Compared to the Existing Grading System at the Emergency Unit of a Tertiary Eye Hospital in Saudi Arabia.

Purpose: To assess true ocular emergencies based on the ocular emergency triage system compared to the existing method of serving patients "first come first serve" by attending ophthalmology resident and review the validity of the triage system by ophthalmic subspecialty.

Methods: In this cross-sectional study of validity, new patients attending the ocular emergency department of a tertiary eye hospital in 2021-2022 were examined by ophthalmology resident. The time required for registration, an eye exam, and total time in the emergency unit was determined.

Impact and Determinants of COVID-19 Pandemic on the Cataract Surgery Rate at a Tertiary Referral Center.

Purpose: Preventive measures to mitigate the spread of coronavirus, minimized workload on health-care systems and redirected resources to COVID-19 patients resulting in a reduction of elective procedures such as cataract surgery. We report the changes in monthly cataract surgery rate and its associated determinants at a tertiary eye hospital during different periods of the pandemic. Studying the impact of COVID-19 pandemic on cataract surgery rate will help health-care policymakers to better understand the barriers to overcome the expected surgical backlog.

Population perceived eye strain due to digital devices usage during COVID-19 pandemic.

Purpose: To assess the magnitude severity and determinants of eyestrain and the use of digital devices in a Saudi population during the COVID-19 pandemic lockdown.

Methods: This web-based survey was conducted in September 2020 and enrolled only Saudi nationals 15 years or older. Data were collected on demographics, eye strain related symptoms, severity, and the use of optical aids during the COVID-19 lockdown.

Effective refractive error coverage in adults aged 50 years and older: estimates from population-based surveys in 61 countries.

Background: In 2021, WHO Member States endorsed a global target of a 40-percentage-point increase in effective refractive error coverage (eREC; with a 6/12 visual acuity threshold) by 2030. This study models global and regional estimates of eREC as a baseline for the WHO initiative.

Methods: The Vision Loss Expert Group analysed data from 565 448 participants of 169 population-based eye surveys conducted since 2000 to calculate eREC (met need/[met need + undermet need + unmet need]).

Demographic, Clinical Profile and Management Outcomes of Ocular Chemical Injuries in Saudi Children.

Background: Eye injuries in children due to chemicals constitute a medical emergency since they result in severe ocular damage.

Objective: To determine the factors and management outcomes of chemical burns in the eyes of Saudi children. The study was performed at a tertiary eye center in the Kingdom of Saudi Arabia.

Risk factors, complications, and outcomes of phacoemulsification cataract surgery complicated by retained lens fragments in Asian eyes: A 10-year retrospective study.

Purpose: To study the risk factors, visual outcomes, and sequelae of phacoemulsification surgery complicated by retained lens fragments (RLFs).

Methods: This single-center case-control study enrolled consecutive eyes complicated by RLF and compared them to age- and gender-matched uneventful cataract surgery cases at a tertiary care teaching hospital. Biometric, intraoperative, and postoperative data were collected.

Clinical Profile, Etiology, and Management Outcomes of Pediatric Ocular Trauma in Saudi Arabia.

Objective: To evaluate cases of pediatric ocular trauma at a tertiary eye hospital in central Saudi Arabia and determine the demographics, causes, ocular injuries, and visual status before and after management.

Methods: A retrospective review was performed of health records of children younger than 16 years with ocular trauma managed from January 1998 to December 2019. Data were collected on patient demographics, eye involved, cause of trauma, the presenting and final vision, and the duration of follow-up.

Accelerated versus conventional corneal collagen crosslinking: Short-term clinical outcomes in stabilizing keratoconus.

Purpose: The purpose of the study is to compare the short-term outcomes of corneal collagen crosslinking (CXL) using the conventional (Dresden) protocol and an accelerated CXL (ACXL) protocol to stop keratoconus (KC) progression.

Methods: A chart review was performed for all the patients with KC who underwent CXL in the last 7 years. Data were compared at baseline and at all follow-up examinations for uncorrected visual acuity (UCVA), best spectacle corrected visual acuity (BCVA), keratometry (K), central corneal thickness, and complications of CXL.

Ocular emergencies visits after corneal transplantation at a tertiary eye care hospital in Saudi Arabia.

Purpose: To evaluate the characteristics of patients with post-keratoplasty complications and their presentation at an emergency center.

Design: Retrospective one-armed cohort study.

Methods: Data were evaluated on patients who underwent corneal grafts in 2019 and presented to an emergency unit.

Clinical features and histopathological analysis of corneal myxoma.

To describe the presentation, histopathological characteristics, and management outcomes for corneal myxoma. This one-armed cohort study evaluated histologically confirmed consecutive cases of corneal myxoma. Data were evaluated on demographics, clinical presentation, management, histopathological and immunohistochemical features, and outcomes; visual acuity and corneal clarity.

The WHO-ITU MyopiaEd Programme: A Digital Message Programme Targeting Education on Myopia and Its Prevention.

The objective of this paper is to provide an overview of the World Health Organization - International Telecommunication Union MyopiaEd programme - a digital message programme targeting education on myopia and its prevention. The development of the MyopiaEd programme included 4 key steps: (1) Conceptualization and consultation with experts in the field of myopia, mHealth and health behavior change; (2) Creation of SMS message libraries and programme algorithm; (3) Review of the message libraries to ensure relevance to the target audience; and (4) Pre-testing amongst end-user groups to ensure that the design of the programme and the message content were understandable. After reviewing the available evidence and considering input of the experts, the aims, end users and key themes of the programme were finalized.

The association of cosmetic-related lacrimal sac black deposits with primary-acquired nasolacrimal duct obstruction and dry eye disease.

Purpose: To determine the incidence of cosmetic-related lacrimal sac black deposits (LSBDs) in primary-acquired nasolacrimal duct obstruction (PANDO) biopsies and the role of LSBD in the pathogenesis of PANDO, in addition to their association with dry eye disease (DED).

Methods: A clinicopathological study included all patients who underwent surgical management of PANDO. We excluded patients in whom lacrimal sac biopsy was not taken during the surgery.

Physician Satisfaction With Virtual Ophthalmology Clinics During the COVID-19 Pandemic: A Tertiary Eye Care Center Experience.

Background In this study, we aimed to assess ophthalmologists' experience with teleophthalmology during the coronavirus disease 2019 (COVID-19) pandemic in the central region of Saudi Arabia. In addition, we evaluated their satisfaction level and explored their satisfaction determinants. Methodology We conducted an online survey for ophthalmologists who participated in the virtual ophthalmology clinic during COVID-19 between November 2020 and September 2021.

Vision centre helps reduce blindness and vision impairment. Proof of concept in a four-year longitudinal study in an urban area in India.

Purpose: To estimate the prevalence of blindness and severe visual impairment (SVI) by using a door-to-door screening and vision center (VC) examination strategy in an urban area in western Maharashtra (Pune), India and repeat the exercise after 4 years to study its impact.

Methods: Four trained community health workers measured the visual acuity and performed an external ocular examination in patients' homes. People with vision <6/18 were requested to visit the VC for a comprehensive eye examination by an optometrist.