Purpose: The last updates to diagnostic criteria for multiple sclerosis (MS) included a diagnostic category of 'possible MS'. However, no recent data is available to assess how much this distinction helps predict MS after isolated optic neuritis (ON). This study aimed to assess the global risk of developing MS one year after a first ON episode, and the specific risk according to the initial diagnosis of isolated ON or ON with possible MS.
View Article and Find Full Text PDFOphthalmic Genet
November 2024
Introduction: Classically, Usher syndrome is characterized by the association of sensorineural hearing loss (SNHL), retinitis pigmentosa (RP) and possible vestibular dysfunction. Pathogenic bi-allelic variants in cause atypical autosomal recessive Usher syndrome, which is associated with SNHL and photoreceptors dysfunction without vestibular signs. To date, only 19 scattered descriptions have been reported.
View Article and Find Full Text PDFIntroduction: Training novice ophthalmology residents on the EyeSi simulator increases cataract surgery safety. However, there is no consensus regarding how much training residents should perform before their first time on patients. We evaluated the French national training program through the analysis of the learning curves of novice residents.
View Article and Find Full Text PDFBackground: This case report explores the relationship between genetics and phenotypic variability in autosomal dominant vitreoretinochoroidopathy (ADVIRC). The study focuses on a case presenting a novel mutation in the gene and its phenotype in the case's relatives, shedding light on the structural and functional intricacies underlying this rare ophthalmologic disorder.
Case Presentation: A 33-year-old female presented for consultation with a history of bilateral retinal damage accompanied by a complaint of decreased visual acuity, progressive visual field deficit, and night blindness over the past year.
In living children, the use of a wide field fundus camera such as RetCam is the gold standard practice to document retinal haemorrhages in suspected cases of abusive head trauma (AHT). In case of sudden unexpected death in infancy (SUDI), child abuse must be considered as a possible cause of death and an eye examination is required. However, no example of post-mortem fundus photograph (PMFP) of retinal haemorrhages related to AHT is yet available for clinicians.
View Article and Find Full Text PDFInherited retinal diseases are a leading and untreatable cause of blindness and are therefore candidate diseases for gene therapy. Recombinant vectors derived from adeno-associated virus (rAAV) are currently the most promising vehicles for therapeutic gene delivery to the retina. However, there is a need for novel AAV-based vectors with greater efficacy for ophthalmic applications, as underscored by recent reports of dose-related inflammatory responses in clinical trials of rAAV-based ocular gene therapies.
View Article and Find Full Text PDFBackground: The 30-day readmission rate provides a standardised quantitative evaluation of some postoperative complications. It is widely used worldwide in many medical and surgical specialities, and the World Health Organization recommends its use for monitoring healthcare system performance. In ophthalmology, its measurement is biased by the frequent and close planned surgery on one eye and then the other, particularly in the case of cataract surgery.
View Article and Find Full Text PDFIntroduction: The aim of this study was to assess the efficacy and safety of fluocinolone acetonide implant (FAci) injected 1 month after the last dexamethasone intravitreal implant (DEXi) in chronic diabetic macular oedema (DME) patients.
Methods: Retrospective multicentric study conducted in pseudophakic patients with chronic DME frequently treated with dexamethasone intravitreal implant (DEXi; time to DME recurrence ≤ 6 months), receiving FAci 1 month after the last DEXi, with at least a 6-month follow-up. Best-corrected visual acuity (BCVA), central macular thickness (CMT) on optical coherence tomography, intraocular pressure (IOP) and additional treatments were assessed on the day of FAci injection (M0), 1 (M1) and 3 months (M3) later and then every 3 months.
The subretinal injection protocol for the only approved retinal gene therapy (voretigene neparvovec-rzyl) includes air tamponade at the end of the procedure, but its effects on the subretinal bleb have not been described. In the present study, we evaluated the distribution of enhanced green fluorescent protein (EGFP) after subretinal injection of AAV2 in non-human primates (NHP) without (group A = 3 eyes) or with (group B = 3 eyes) air tamponade. The retinal expression of EGFP was assessed 1 month after subretinal injection with fundus photographs and fundus autofluorescence.
View Article and Find Full Text PDFWe report the 51/2 year prevalence of visual and oculomotor impairments in preterm children born at 24−34 weeks’ gestation (WG) using the population-based cohort study EPIPAGE-2, set in France, 2011. The main outcomes were imputed prevalence of refractive errors (REs), strabismus, and binocular visual acuity (VA). Children were clinically assessed by specially trained pediatricians.
View Article and Find Full Text PDFBackground: Hyperglycemia in preterm infants may be associated with severe retinopathy of prematurity (ROP) and other morbidities. However, it is uncertain which concentration of blood glucose is associated with increased risk of tissue damage, with little consensus on the cutoff level to treat hyperglycemia. The objective of our study was to examine the association between hyperglycemia and severe ROP in premature infants.
View Article and Find Full Text PDFBackground: Inherited retinal disorders are a clinically and genetically heterogeneous group of conditions and a major cause of visual impairment. Common disease subtypes include vitelliform macular dystrophy (VMD) and retinitis pigmentosa (RP). Despite the identification of over 90 genes associated with RP, conventional genetic testing fails to detect a molecular diagnosis in about one third of patients with RP.
View Article and Find Full Text PDFPurpose: To measure the predictive values of relative afferent pupillary defect (RAPD) assessed semi-quantitatively, and visual acuity (VA) at onset of central retinal vein occlusion (CRVO), for neovascularization.
Methods: Retrospective analysis of the TROXHEMO trial that included patients with CRVO within 30 days after the onset. Inclusion criteria were as follows: semi-quantitative RAPD assessment at diagnosis and/or at one month.
Kinesin-2 enables ciliary assembly and maintenance as an anterograde intraflagellar transport (IFT) motor. Molecular motor activity is driven by a heterotrimeric complex comprised of KIF3A and KIF3B or KIF3C plus one non-motor subunit, KIFAP3. Using exome sequencing, we identified heterozygous KIF3B variants in two unrelated families with hallmark ciliopathy phenotypes.
View Article and Find Full Text PDFMicrophthalmia with brain and digital anomalies (MCOPS6, MIM# 607932) is an autosomal dominant disorder caused by loss-of-function variants or large deletions involving BMP4, which encodes bone morphogenetic protein 4, a member of the TGF-β protein superfamily. BMP4 has a number of roles in embryonic development including neurogenesis, lens induction, development of cartilage and bone, urogenital development, limb and digit patterning, hair follicle regeneration, as well as tooth formation. In addition to syndromic microphthalmia, BMP4 variants have been implicated in non-syndromic cleft lip with or without cleft palate and congenital healed cleft lip indicating different allelic presentations.
View Article and Find Full Text PDFPurpose: To date, no protocol of anesthesia for pediatric ophthalmic surgery is unanimously recognized. The primary anesthetic risks are associated with strabismus surgery, including oculocardiac reflex, postoperative nausea and vomiting, and postoperative pain.
Methods: This was a prospective, monocentric, observational study conducted in a tertiary pediatric ophthalmic unit.
Two distinct syndromes arise from pathogenic variants in the X-linked gene BCOR (BCL-6 corepressor): oculofaciocardiodental (OFCD) syndrome, which affects females, and a severe microphthalmia ('Lenz'-type) syndrome affecting males. OFCD is an X-linked dominant syndrome caused by a variety of BCOR null mutations. As it manifests only in females, it is presumed to be lethal in males.
View Article and Find Full Text PDFThe aim of this study was the evaluation of the safety and efficacy of unilateral subretinal injection of the adeno-associated vector (AAV) serotypes 2 and 4 (AAV2/4) RPE65-RPE65 vector in patients with Leber congenital amaurosis (LCA) associated with RPE65 gene deficiency. We evaluated ocular and general tolerance and visual function up to 1 year after vector administration in the most severely affected eye in nine patients with retinal degeneration associated with mutations in the RPE65 gene. Patients received either low (1.
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