Retinal Histology
Retinal Histology - Related Videos
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Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks
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Cited by 23 •
2015
Here we describe histological techniques for visualising ocular tissue directly adjacent to a metal epiretinal tack and retinal prosthesis.
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Methylnitrosourea (MNU)-induced Retinal Degeneration and Regeneration in the Zebrafish: Histological and Functional Characteristics
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Cited by 11 •
2014
Herein we demonstrate quantification of retinal de- and regeneration and its impact on visual function using N-methyl-N-nitrosourea in the adult zebrafish. Loss of visual acuity and decreased photoreceptor numbers were followed by proliferation in the inner nuclear layer. Complete morphological and functional regeneration occurred 30 days after the initial treatment.
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Histological Staining of Neural Tissue
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2023
In order to examine the cellular, structural and molecular layout of tissues and organs, researchers use a method known as histological staining. In this technique, a tissue of interest is preserved using chemical fixatives and sectioned, or cut into very thin slices. A variety of staining techniques are then applied to provide contrast to the visually uniform sections. In the study of neuroanatomy, histological techniques are frequently applied to visualize and study nervous system tissue.
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Preparation of Mouse Retinal Cryosections to Assess Retinal Permeability to Adeno-Associated Virus
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2026
Source: Vacca, O., et al. Using Adeno-associated Virus as a Tool to Study Retinal Barriers in Disease. J. Vis. Exp. (2015)This video demonstrates the step-by-step procedure for preparing mouse retinal cryosections to visualize adeno-associated virus permeability across disrupted retinal barriers.
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Histological Sample Preparation for Light Microscopy
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2023
Histology is the study of cells and tissues, which is typically aided by the use of a light microscope. The preparation of histological samples can vary greatly based on the inherent properties of the samples such as size and hardness as well as expected post-processing which includes planned staining techniques or other down-stream applications. As described in this video, specimen preparation typically begins with a fixation procedure to prevent degradation of the sample by naturally...
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The layered arrangement places photoreceptors, bipolar cells, and ganglion cells in a sequence that supports visual signal transmission toward the optic nerve. Supporting glial cells contribute to the retinal tissue environment examined alongside these neuronal populations. Examining their relative positions helps researchers connect cellular organization with the progression of visual information through the retina.
Cell arrangement provides structural evidence for how the retina performs visual processing. Histological examination can reveal whether photoreceptors, bipolar cells, ganglion cells, and glial cells maintain their expected organization or show changes across retinal layers. These observations help relate microscopic tissue structure to visual function and identify alterations associated with development, degeneration, injury, or treatment response.
Changes in retinal layers can indicate that retinal structure has been affected by development, disease-related degeneration, injury, or an experimental treatment. Histology makes these changes visible at the tissue and cellular levels, allowing researchers to compare organization across conditions. The resulting structural evidence can help evaluate how closely tissue changes correspond with altered visual function or therapeutic outcomes.
A typical workflow begins with tissue fixation to preserve retinal organization, followed by thin sectioning that produces slices suitable for examination. Staining then makes cellular and tissue features more distinguishable, and researchers examine the sections with light or electron microscopy. Together, these steps produce visual evidence of retinal layers and the arrangement of their cellular components.
Researchers apply retinal histology when they need to investigate retinal development, disease-related degeneration, injury, or responses to experimental treatments. The approach is useful because it links visible changes in tissue organization with cellular components involved in visual processing. This makes it relevant for studying both normal retinal biology and structural outcomes associated with altered or treated tissue.
Treatment studies can use retinal sections to examine whether retinal layers and their constituent cells show structural changes after an intervention. Researchers may assess the organization of photoreceptors, bipolar cells, ganglion cells, and supporting glial cells, then relate those observations to potential visual outcomes. Histological findings therefore provide cellular and tissue-level context for interpreting therapeutic effects.