Purpose Patients with non-proliferative macular telangiectasia type 2 (MacTel) have ganglion cell layer (GCL) and nerve fibre layer (NFL) loss, but it is unclear whether the thinning is progressive. We quantified the change in retinal layer thickness over time in MacTel with and without diabetes. Methods In this retrospective, multicentre, comparative case series, subjects with MacTel with at least

Aims This study evaluates the long-term efficacy and safety of carbon dioxide (CO₂) laser excision as a novel treatment for large xanthelasma palpebrarum. Methods The study included 295 patients diagnosed with xanthelasma palpebrarum, categorised as 246 patients with grade I, 16 with grade II, 22 patients with grade III and 11 with grade IV lesions. All underwent CO₂ laser excision and were followed

Background/aims We evaluated longitudinal autoantibody changes after intravenous methylprednisolone (IVMP), compared them with those in untreated patients and identified prognostic factors for treatment response. Methods In this single-centre, retrospective, observational study, a total of 163 individuals diagnosed with moderate-to-severe thyroid eye disease were enrolled and followed for 12 months

Purpose To create a computational fluid dynamics (CFD) model of ocular anterior segment for primary angle closure diseases (PACD) and assess the aqueous humour (AH) dynamics in different angle closure ranges (ACRs). Methods The ocular anterior segment geometry was obtained from an optical coherence tomography image by SOLIDWORKS. Three different angle opening distance at 750 µm from the scleral spur

Aims To quantitatively measure retinal curvature (RC) in children with myopia and explore its association with refractive status. Methods This cross-sectional study included participants aged 5–18 years who underwent comprehensive ocular examinations, including cycloplegic refraction and macula 24×20 mm optical coherence tomography (OCT) scans. RC was derived from OCT data using a three-dimensional

Objective Progressive outer retinal necrosis (PORN) is an alphaherpesvirus-caused panuveitis with devastating consequences for the eye. Our study aims to describe new findings in the clinical spectrum and propose a mechanism for the pathogenesis of PORN. Methods Observational, consecutive case series. Seven eyes from five patients diagnosed with PORN were enrolled. Detailed case histories, ocular examination

Background To assess predictive value of short-term choroidal changes for future myopic shift in children. Methods 577 eyes of 289 primary school children were prospectively followed for 2 years. Cycloplegic refractions at baseline, 1 year and 2 years, and choroidal measurements by optical coherence tomography at baseline and 3 months, were used for analyses. Myopic shift was defined as refraction

Background/aims It is unclear whether a reduction in tear secretion contributes to the discomfort experienced by those with prosthetic eyes. Tear secretion has hitherto only been measured with the Schirmer test which may be affected by the pooling of tears behind the prosthesis. In this study, direct imaging of the lacrimal gland has been performed to measure tear secretion in anophthalmic sockets

Aims To evaluate the quality of responses from large language models (LLMs) to patient-generated conjunctivitis questions. Methods A two-phase, cross-sectional study was conducted at the Eye and ENT Hospital of Fudan University. In phase 1, four LLMs (GPT-4, Qwen, Baichuan 2 and PaLM 2) responded to 22 frequently asked conjunctivitis questions. Six expert ophthalmologists assessed these responses using

Aim To evaluate reproducibility and agreement of angle closure assessment by a novel hyperparallel optical coherence tomography (OCT) system (HP-OCT, Cylite Optics, Melbourne, Australia), in comparison with swept-source OCT (SS-OCT, CASIA SS-1000, Tomey Corporation, Nagoya, Japan) and gonioscopy. Methods Cross-sectional study. Phakic subjects >40 years, with no relevant ophthalmic history were consecutively

Purpose To identify preoperative predictors of big bubble (BB) formation during deep anterior lamellar keratoplasty (DALK) in patients with keratoconus (KC). Design Retrospective cohort study in an Italian tertiary centre. Study population Consecutive patients with KC undergoing DALK from January 2021 to July 2023. Observation procedure Tomographic and topographic data including K-max, K-mean, keratometric

Purpose To evaluate the longitudinal rate of choriocapillaris flow deficits (CFD) in healthy participants and patients with diabetes mellitus. Methods This prospective cohort study included healthy individuals and diabetic patients without diabetic retinopathy (non-DR) or with mild-to-moderate non-proliferative DR (NPDR). The swept-source optical coherence tomography angiography (OCTA) was adopted

The recent publication by Lucchino et al reports on preoperative predictive factors for big bubble (BB) formation during deep anterior lamellar keratoplasty (DALK) in keratoconus eyes.1 In a total of 140 eyes of 140 patients, the authors observed successful pneumatic dissection in 98 eyes (70.0%), with 94 type 1 BB (67.1%) and 4 type 2 BB (2.9%). The study provides topographic evidence for a higher

Prior studies of teprotumumab for thyroid eye disease report proptosis reduction in millimetres, which does not fully capture teprotumumab’s clinical effect since a given number of millimetres change can be of variable impact depending on patients’ degree of pre-treatment proptosis. In this retrospective study analysing proptosis change as a percentage of pre-treatment proptosis among 119 patients

Aims To construct and validate an optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA) image model for predicting the occurrence of short-term vitreous haemorrhage (VH) in polypoidal choroidal vasculopathy (PCV) patients. Methods We retrospectively collected clinical and imaging information from patients diagnosed with PCV at Peking Union Medical College Hospital,

Background/aims This was a cross-sectional comparative study. We evaluated the ability of three large language models (LLMs) (ChatGPT-3.5, ChatGPT-4, and Google Bard) to generate novel patient education materials (PEMs) and improve the readability of existing PEMs on paediatric cataract. Methods We compared LLMs’ responses to three prompts. Prompt A requested they write a handout on paediatric cataract

Aims To compare effectiveness of subconjunctival triamcinolone acetonide injections and intravitreal injections of dexamethasone 700 µg implants in reducing central macular thickness (CMT) in uveitic and postoperative macular oedema (ME). Methods We conducted an open-label, French multicentre randomised comparative trial with a logarithmic CMT non-inferiority margin set at 0.06. Patients were adults

High-risk factors for intraoperative zonular complications due to pre-existing zonular dehiscence in eyes with pseudoexfoliation syndrome were poor mydriasis, a shallow anterior chamber, and large lens decentration, emphasising the importance of preoperative assessment of these clinical parameters. Ocular inflammatory events following COVID-19 vaccination are rare, the most commonly reported phenotype

Aims To predict high-risk factors for zonular complications during cataract surgery due to pre-existing severe zonular dehiscence in eyes with pseudoexfoliation (PXF) syndrome. Methods 315 eyes of 315 consecutive patients with PXF scheduled for phacoemulsification surgery underwent preoperative examination of various ocular parameters using an anterior segment-optical coherence tomography and other

Background/aims The UK Medicines and Healthcare products Regulatory Agency (MHRA) has published suspected adverse drug reactions to vaccines against COVID-19. Ocular inflammatory events following COVID-19 vaccination have been reported worldwide. Methods We analysed MHRA data on spontaneous reports of suspected ocular inflammatory events following COVID-19 vaccination between January 2021 and September

Aims To investigate the association between corneal hysteresis and the presence of glaucoma and its subtypes in a general Japanese population. Methods We analysed the data of 2338 Japanese community-dwellers aged ≥40 years (1059 men, 1279 women) who underwent an eye examination in 2018 as part of the population-based, cross-sectional Hisayama Study. Participants were divided into quartile levels of

Background/aims Advanced primary open angle glaucoma (POAG) is a lifelong condition. The aim of this study is to compare medical treatment against trabeculectomy for patients presenting with advanced POAG using an economic evaluation decision model. Methods A Markov model was used to compare the two treatments, medical treatment versus trabeculectomy for the management of advanced POAG, in terms of

Background/aims We characterised the relationships between monitoring frequency, ranibizumab injection need and vision in patients receiving as-needed (pro re nata; PRN) ranibizumab for macular oedema due to branch retinal vein occlusion (BRVO) or central retinal vein occlusion (CRVO) in this post-hoc analysis of SHORE and HORIZON. Methods Patients aged 18 years and older with macular oedema due to

Purpose To classify fleck lesions and assess artificial intelligence (AI) in identifying flecks in Stargardt disease (STGD). Methods A retrospective study of 170 eyes from 85 consecutive patients with confirmed STGD. Fundus autofluorescence images were extracted, and flecks were manually outlined. A deep learning model was trained, and a hold-out testing subset was used to compare with manually identified

Aims The aim of this study is to assess baseline characteristics of drusen preceding the development of intraretinal hyper-reflective foci (IHRF) in eyes with intermediate age-related macular degeneration (AMD). Methods In this retrospective case-control study, longitudinal optical coherence tomography (OCT) volume data from eyes with intermediate AMD in a retina clinic population were screened. All

Aims To explore prognostic multimarker models for progression to macular fibrosis (MF) over 24 months specific to type 3 macular neovascularisation (T3 MNV). Methods This retrospective, exploratory, single-centre, cohort study comprised 65 eyes of 43 Caucasian patients with treatment naive T3 MNV, all with a 24-month follow-up post anti-VEGF therapy using a strict pro-re-nata (PRN) regimen. Data on

Background/aims Age-related macular degeneration (AMD) and cancer may share similar risk factors, indicating possible common pathogenic pathways. We aimed to describe the site-specific cancer risk based on the relationship of AMD with visual disability (VD) status. Methods This was a population-based cohort study using data from the Korean National Health Insurance Service database (2009–2019) including

Background To assess the anatomical and functional outcomes in eyes with persistent diabetic macular oedema (pDME) on chronic anti-vascular endothelial growth factor therapy switched to intravitreal faricimab. Methods Patients with pDME on chronic anti-vascular endothelial growth factor therapy that were switched to faricimab and received at least three injections at our institution between April 2022

Background The purpose of the study is to compare visual acuity, complications and outer retinal integrity following subretinal fluid (SRF) drainage from the peripheral retinal breaks (PRBs) versus posterior retinotomy (PR) versus perfluorocarbon liquid (PFCL) for macula-off rhegmatogenous retinal detachments (RRDs) at 2 years post-surgery. Methods Retrospective analysis of 300 consecutive patients

Aims To establish and evaluate predictive models for glaucoma-related adverse events (GRAEs) following secondary intraocular lens (IOL) implantation in paediatric eyes. Methods 205 children (356 aphakic eyes) receiving secondary IOL implantation at Zhongshan Ophthalmic Center with a 3-year follow-up were enrolled. Cox proportional hazard model was used to identify predictors of GRAEs and developed

Background/aims We assessed the associations between retinopathy of prematurity (ROP) and continuous measurements of oxygen saturation (SpO2), and developed a risk prediction model for severe ROP using birth data and SpO2 data. Methods This retrospective study included infants who were born before 30 weeks of gestation between August 2009 and January 2019 and who were screened for ROP at a single hospital

Aim Congenital nasolacrimal duct obstruction (CNLDO) is the most common cause of epiphora and mucous discharge in the newborn. We conducted a multicentre randomised controlled trial to determine whether Crigler massage promotes the resolution of CNLDO in infants under 1 year of age. Methods A total of 102 infants aged 3–11 months with unilateral CNLDO were enrolled in the study. Patients were randomly

Background/Aims Papilloedema is an important sign of serious neurological disease, but it can be difficult to detect on funduscopy. The purpose of this study was to determine the diagnostic accuracy of point-of-care ultrasound (POCUS) and optical coherence tomography (OCT) for detecting papilloedema in children. Methods This was a prospective observational study at a tertiary care paediatric hospital

Purpose To determine the efficacy of extended depth of focus (EDOF) contact lenses for controlling myopia progression in children through a 1-year randomised clinical trial. Methods A total of 104 children aged 7–15 years, with spherical equivalent refraction ≤−0.50 D, were randomly assigned to wear SEED 1 dayPure EDOF Mid contact lenses (n=48) or single vision spectacle lenses (n=56). Cycloplegic

Background/aims To compare the effects of repeated low-level red light (RLRL) treatment on axial length growth and refractive error changes in myopic and premyopic children. Methods Subjects were assigned randomly to four subgroups: myopia-RLRL group (M-RL), myopia-control group (M-C), premyopia-RLRL group (PM-RL) and premyopia-control group (PM-C). Subjects in the RLRL group completed a 12-month treatment

Aims Conjunctival melanoma (CoM) is a rare but highly lethal ocular melanoma and there is limited understanding of its genetic background. To update the genetic landscape of CoM, whole-exome sequencing (WES) and targeted next-generation sequencing (NGS) were performed. Methods Among 30 patients who were diagnosed and treated at Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School

Purpose To describe the pattern of MRI changes in the pregeniculate visual pathway in Leber hereditary optic neuropathy (LHON). Method This retrospective observational study enrolled 60 patients with LHON between January 2015 and December 2021. The abnormal MRI features seen in the pregeniculate visual pathway were investigated, and then correlated with the causative mitochondrial DNA (mtDNA) mutation

Aims To investigate the clinical characteristics of Leber hereditary optic neuropathy (LHON) with mtDNA primary mutations to better understand features associated with prognosis. Methods This study enrolled 1540 LHON patients from 1516 unrelated families genetically confirmed by Sanger or whole-mitochondrial sequencing between 1997 and 2022. The spectrum of variants was summarised and compared in different

Background/aims Anterior segment ischaemia (ASI) is a rare but serious complication of strabismus surgery, which may be caused by damage to the anterior ciliary arteries that run along the rectus muscles. To avoid ASI, clinical praxis is to operate on a maximum of two rectus muscles at a time. The aim of this study was to perform a detailed study of the contribution of the four ocular rectus muscles

Aim To assess the primary reattachment rate (PARR) in pneumatic retinopexy (PnR) versus pars plana vitrectomy (PPV) for rhegmatogenous retinal detachment (RRD) meeting the Pneumatic Retinopexy versus Vitrectomy for the Management of Primary Rhegmatogenous Retinal Detachment Outcomes Randomised Trial (PIVOT) criteria with a single break in detached retina. Methods A post hoc analysis of two clinical

Background Retinoblastoma is the most common intraocular malignancy in childhood. Despite one-third of cases occurring in Africa, little is known of the outcomes on the continent. This study aims to explore survival and globe salvage outcomes and identify their risk factors across a large cohort of patients from the African continent. Methods A 3-year prospective, observational study was conducted

Purpose This study evaluates the predictive power of the critical flicker fusion frequency (CFF) test for visual outcomes in keratoprosthesis (KPro) candidates, comparing its accuracy with B-scan ultrasound, flash visual evoked potentials (fVEP) and endoscopy. Methods The study included 42 patients (42 eyes) scheduled for KPro surgery with a median follow-up period of 6 months. The receiver operating

Background/aims Female choroideremia carriers present with a spectrum of disease severity. Unlike in men, the rate of disease progression has not been well characterised in carriers. This longitudinal study aimed to determine the rate of retinal degeneration in choroideremia carriers, using multimodal imaging and microperimetry. Methods Choroideremia carriers previously seen at Oxford Eye Hospital

Purpose To assess the effect of weekly 1% atropine use on children’s myopia progression and whether the effect is sustainable. Methods Medical records of myopic children aged 3–15 years receiving weekly 1% atropine for more than 1 year were retrospectively reviewed. Axial length (AL) and spherical equivalent refraction (SER) at every visit were collected. The changes in AL or SER over time were analysed

Purpose To compare the diagnostic utility of metagenomic deep sequencing (MDS) to cytology, flow cytometry and gene rearrangement by PCR in ocular samples of patients with suspected vitreoretinal lymphoma (VRL). Methods Patients with suspected VRL underwent ocular sampling of one or both eyes at the Emory Eye Center from September 2017 to June 2022. Ocular samples were evaluated with MDS and conventional

Background/aims Animal models have shown that the absence of high-frequency visual information can precipitate the onset of myopia, but this relationship remains unclear in humans. This study aims to explore the association between the spatial frequency content of the visual environment and myopia in children. Methods Images from the rooms of children and their frequently visited outdoor areas were

Background The association of central corneal thickness (CCT) with primary open-angle glaucoma (POAG) remains uncertain. Although several observational studies assessing this relationship have reported an inverse association between CCT and POAG, this could be the result of collider bias. In this study, we leveraged human genetic data to assess through Mendelian randomisation (MR) the effect of CCT

Background/aims To design a deep learning (DL) model for the detection of glaucoma progression with a longitudinal series of macular optical coherence tomography angiography (OCTA) images. Methods 202 eyes of 134 patients with open-angle glaucoma with ≥4 OCTA visits were followed for an average of 3.5 years. Glaucoma progression was defined as having a statistically significant negative 24-2 visual

Aims To investigate the long-term natural history of ellipsoid zone (EZ) width in USH2A -retinopathy. Methods EZ width measurements from optical coherence tomography were retrospectively obtained from 110 eyes of 55 participants with molecularly confirmed biallelic USH2A -retinopathy. We used a hierarchical Bayesian method to construct and compare different mathematical models describing the long-term

Purpose Our aim was to describe the visual outcomes and determine the clinical factors in ischaemic retinal vasculitis (IRV) that were predictive of a poor visual prognosis or infectious aetiology. Methods Retrospective cohort study of consecutive presentations of IRV to Auckland District Health Board from 2009 to 2022. Results The median age at presentation was 39.2 years and 108 (53.7%) were women

Background/aims To explore and characterise the clinical phenotype of acute anterior uveitis flares with delayed severity in patients with human leucocyte antigen B27 (HLA-B27)-associated anterior uveitis. Methods Retrospective chart review of patients with HLA-B27-associated anterior uveitis. Demographic and clinical data were recorded, as well as the clinical characteristics of acute anterior uveitis

Treatment decisions for neovascular age-related macular degeneration (nAMD) in the setting of individualised treatment regimens are adapted to disease activity. The main marker of disease activity and trigger for re-treatment with anti-vascular endothelial growth factor (anti-VEGF) agents is the presence of retinal fluid on optical coherence tomography (OCT). Recently, attention has focused on the

Aim Routine alcohol testing of practicing physicians remains controversial since there are no uniform guidelines or legal regulations in the medical field. Our aim was to quantitatively study the acute and next-morning effects of breath alcohol concentration (BAC)-adjusted alcohol intake on overall simulated surgical performance and microtremor among senior vitreoretinal surgeons. Methods This prospective

Background/Aims Recent decades have seen significant advances in both structural and functional testing of retinal disease. However, the current clinical value of specific testing modalities, as well as future trends, need to be clearly identified in order to highlight areas for further development in routine care and clinical trials. Methods We designed a modified two-round Delphi study to obtain

Background/Aaims Congenital stationary night blindness (CSNB) is an inherited retinal disease that is often associated with high myopia and can be caused by pathological variants in multiple genes, most commonly CACNA1F , NYX and TRPM1 . High myopia is associated with retinal degeneration and increased risk for retinal detachment. Slowing the progression of myopia in patients with CSNB would likely

Purpose To show the role of multimodal imaging in identifying choroidal involvement in acute retinal necrosis (ARN). Methods Retrospective case series of ARN patients. Clinical data, including medical history, clinical features and multimodal imaging findings, were collected. Results Three patients were included. Imaging modalities, such as indocyanine green angiography and optical coherence tomography

Aims To investigate the characteristics of myopic maculopathy among highly myopic Chinese children and adolescents and explore its associated risk factors. Methods Children and adolescents aged 7–17 years with spherical equivalent (SE) ≤ −6.00 dioptres (D) were recruited. Myopic maculopathy was categorised based on the International Meta-Analysis of Pathological Myopia Classification. The extent of

Aims To assess the association between statin use and cataract surgery according to different statin treatment durations in patients with different cardiovascular risk profiles. Methods and results We performed a nested case–control study using Danish registries, covering the period from 1 January 1996 to 31 December 2020. We defined cases as surgically treated cataract patients, matched in a 1:1 ratio

Background Tuberculosis (TB)-immunoreactivity, measured in vivo (tuberculin skin test (TST)) or in vitro (interferon gamma release assay (IGRA)), can be found in latent, active or even following clearance of TB infection. In this case-control study, we compared the systemic and ocular outcomes between patients with or without TB-immunoreactivity, who received immunomodulatory therapy (IMT) for non-infectious

For the data published by Lam et al (2020) on Defocus Incorporated Multiple Segments spectacle lenses, it is shown that, on average, the age-matched physiological axial length growth is achieved in myopic children. Few studies have reported the long-term effect of orthokeratology on the choroid. In the current 2 year prospective study, orthokeratology was found to improve the choroidal thickness and