The morphology and thickness of the retinal layers are valuable biomarkers for retinal health and development. The retinal layers in mice are similar to those in humans; thus, a mouse is appropriate for studying the retina. The objectives of this systematic review were: (1) to describe normal retinal morphology quantitatively using retinal layer thickness measured from birth to age 6 months in healthy mice; and (2) to describe morphological changes in physiological retinal development over time using the longitudinal (in vivo) and cross-sectional (ex vivo) data from the included studies. A PubMed search was conducted for articles published from to 1980-2024 that included quantitative data. Prior to sexual maturity, an increase in the total retinal and inner plexiform layer thicknesses were observed, with a decrease in the inner nuclear layer thickness. After sexual maturity, an asymptotic decrease in thickness was observed up to age 6 months in all layers; during this period, no significant changes were observed in the outer nuclear layer or nerve fiber layer/ganglion cell layer complex. Potential sources of variability and inconsistency among the studies included differences in imaging modality, animal strain, measurement timing, and retinal segmentation/assignment techniques. These findings highlight the importance of including a control group in experimental designs and providing comparative data for further investigations.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/j.exer.2024.110229 | DOI Listing |
Orphanet J Rare Dis
January 2025
Department of Diabetes, Endocrinology and Metabolism, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, B15 2TH, UK.
Background: Alström syndrome (AS) is a recessively inherited genetic condition which is ultra-rare and extremely complex. Symptoms include retinal dystrophy, nystagmus, photophobia, hearing loss, obesity, insulin resistance, diabetes and cardiomyopathy. The condition is progressive, but it is important to note that not all the complications associated with AS occur in everyone affected.
View Article and Find Full Text PDFActa Neuropathol Commun
January 2025
Ophthalmology, Novartis Biomedical Research, Cambridge, MA, USA.
Neurodegeneration in glaucoma patients is clinically identified through longitudinal assessment of structure-function changes, including intraocular pressure, cup-to-disc ratios from fundus images, and optical coherence tomography imaging of the retinal nerve fiber layer. Use of human post-mortem ocular tissue for basic research is rising in the glaucoma field, yet there are challenges in assessing disease stage and severity, since tissue donations with informed consent are often unaccompanied by detailed pre-mortem clinical information. Further, the interpretation of disease severity based solely on anatomical and morphological assessments by histology can be affected by differences in death-to-preservation time and tissue processing.
View Article and Find Full Text PDFBMC Ophthalmol
January 2025
Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: One of the significant challenges that can arise during cataract surgery is the occurrence of posterior capsule rupture (PCR) and vitreous loss. It may result in different complications including cystoid macular edema, endophthalmitis, glaucoma, and considerably retinal detachment which consequently contributes to poor functional outcomes.
Methods: This study was a prospective double blinded randomized clinical trial including 42 patients with previous complicated cataract surgery including posterior capsular rupture and consequently vitreous loss that anterior vitrectomy was done for them.
BMC Ophthalmol
January 2025
Department of Tuberculosis, New District Branch of Northern Jiangsu People's Hospital of Jiangsu Province, Yangzhou, 225001, Jiangsu Province, China.
Background: This study aims to detect Mycobacterium tuberculosis complex (MTBC) DNA in intraocular fluid from clinically suspected tuberculous uveitis patients using multiplex polymerase chain reaction (PCR) and investigate the diagnostic utility of multiplex PCR for tuberculous uveitis.
Methods: Primers targeting three specific genes (MPB64, CYP141, and IS6110) within the MTBC genome were designed. Multiplex PCR was conducted using DNA from the H37Rv strain as well as DNA extracted from fluids of confirmed tuberculosis patients to assess primer specificity and method feasibility.
BMC Ophthalmol
January 2025
Vitreoretinal Surgery Department, Hugo Chavez Hospital, Turmus Ayya, State of Palestine.
Background: This case report describes a rare case of Coats disease in adult female patient with preserved vision after intravitreal Aflibercept injection and laser photocoagulation.
Case Presentation: A female patient of Asian Palestinian descent, aged 20, exhibited a progressive and painless deterioration in the vision of her left eye over a period of two weeks. She exhibited no additional ocular symptoms.
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!