Ophthalmic conditions of the older horse are becoming increasingly common as geriatric care advances. The close relation between the eye and other structures of the head exposes the globe to direct expansion of clinical disease and raises management issues. Integrating an ophthalmic and fundic examination into the annual evaluation should reward the investment, permit enhanced patient care, and potentially provide early identification of systemic conditions. Surgical and medical management of neoplastic conditions is most successful with early identification and therapy. It is hoped that this article prompts the further identification and description of ophthalmic conditions as equine geriatric care increases in importance.
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http://dx.doi.org/10.1016/s0749-0739(02)00037-8 | DOI Listing |
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, Saitama Medical University, Saitama, Japan.
Purpose: This study evaluates the effect of 6° horizontal gaze tolerance on visual field mean sensitivity (MS) in patients with glaucoma using a binocular head-mounted automated perimeter, following findings of structural changes in the posterior globe from magnetic resonance imaging and optical coherence tomography.
Methods: In this cross-sectional study, a total of 161 eyes (85 primary open-angle glaucoma [POAG] and 76 healthy) from 117 participants were included. Logistic regression and 1:1 matched analysis assessed the propensity score for glaucoma and healthy eyes, considering age, sex, and axial length as confounders.
Invest Ophthalmol Vis Sci
January 2025
GROW Research Laboratory, Narayana Netralaya Foundation, Bangalore, India.
Purpose: Keratoconus (KC) is characterized by irregular astigmatism along with corneal stromal weakness and is associated with altered immune status. Tissue resident microbiomes are known to influence the immune status in other organs, but such a nexus has not been described in ocular conditions. Therefore, we examined the ocular surface microbiome of patients with KC and correlated it to the immune cell and tear molecular factor profiles.
View Article and Find Full Text PDFACS Biomater Sci Eng
January 2025
Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
Effective storage and utilization of limited donor corneal resources are in high demand to alleviate the shortage of donor corneal tissue. Here, we designed a static air-lifted organ culture system equipped with a protective coverage membrane, namely, an air-lifted OC-P system, to provide a biomimetic physiological environment for full-thickness corneal preservation. The air-lifted OC-P system features a unique collagen-based protective coverage membrane that can offer a moist, oxygen-rich environment for corneal epithelium, produce an appropriate intraocular pressure onto the cornea by gravity, and facilitate the maintenance of the organ culture medium level for nutrient supply during corneal preservation.
View Article and Find Full Text PDFJ Cell Biol
April 2025
Department of Genetics and Cell Biology, College of Life Sciences, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China.
TBC1D20 deficiency causes Warburg Micro Syndrome in humans, characterized by multiple eye abnormalities, severe intellectual disability, and abnormal sexual development, but the molecular mechanisms remain unknown. Here, we identify TBC1D20 as a novel Rab11 GTPase-activating protein that coordinates vesicle transport and actin remodeling to regulate ciliogenesis. Depletion of TBC1D20 promotes Rab11 vesicle accumulation and actin deconstruction around the centrosome, facilitating the initiation of ciliogenesis even in cycling cells.
View Article and Find Full Text PDFAlzheimers Dement
January 2025
Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, California, USA.
Introduction: Sleep disturbances are associated with Alzheimer's disease (AD) and Alzheimer's disease and related dementias (ADRD), but the relationship between sleep architecture, particularly rapid eye movement (REM) sleep, and AD/ADRD biomarkers remains unclear.
Methods: We enrolled 128 adults (64 with Alzheimer's disease, 41 with mild cognitive impairment [MCI], and 23 with normal cognition [NC]), mean age 70.8 ± 9.
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