The subject invention provides novel apparatuses and methods for assessing the structure and function of photoreceptors in retina. In a specific embodiment, the assessment is accomplished by imaging rhodopsin, pigmented protein responsible for initiating vision acquisition of the eye, in living subjects. ...
The photoreceptors in the retina of the white sturgeon, Acipenser transmontanus (Chondrostei), were studied by means of scanning electron microscopy, in situ microspectrophotometry, and spectrophotometric analysis of visual pigment extracts. The white sturgeon retina is simple in that it contains only ...
Retina photoreceptors are vital for the vision system. The best way to keep them (and your eyes) in good health is through regularcomprehensive eye exams. Additionally, because the photoreceptors are located in the back of the eye, a comprehensive eye exam is necessary to detect any problems w...
We have raised monoclonal antibodies to photoreceptor cells in the retina of the turtle (Pseudemys scripta elegans). One of these antibodies, 15–18 (an IgG 1), was studied by immunoelectron microscopy using colloidal gold, and found to bind to the outer segments of all rods and some single...
Neurodegenerative changes in the diabetic retina occurring before diabetic retinopathy could be inevitable by the altered energy (glucose) metabolism, in the sense that dynamic image-processing activity of the retinal neurons is exclusively dependent on glucose. We therefore investigated the morphological ch...
which shields the ocular system from the systemic circulation. This protection ensures that retinal neurons remain unharmed by pathogenic infections or damages, preserving the integrity of the retina and our precious sense of light. However, in numerous vascular ocular diseases that frequently afflict in...
Regular arrangement of chromatic subtypes of cone photoreceptors in the dace retinaHidaka, SHashimoto, YOhtsuka, T
Visual information received by the receptor mosaic in the vertebrate retina is extensively processed within the subsequent neural network, and the ganglion cells, at the output end of the retina, behave in highly specific ways. This processing is performed at the two successive synaptic layers. The...
(1998), Field sensitivity action spectra of cone photoreceptors in the turtle retina. The Journal of Physiology, 511: 479–494. doi: 10.1111/j.1469-7793.1998.479bh.x Author Information The Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology and the Rappaport Institute, PO...
After polymerization, we used epifluorescence microscopy to determine the orientation of the retina (to identify the side bearing the photoreceptors). We then cut the gel in a non-chiral form (“Pacman” shape). This made it possible to determine unambiguously how the gel should be oriented an...