Ventral diencephalic cells divide eye field - Development
... midline. Movement of axial mesendodermal cells and the subsequent elongation of the neural plate midline have been proposed as playing a role in separation of the eyes (Woo and Fraser, 1995; Heisenberg and Nüsslein-Volhard, 1997; Marlow et al., 1998). In contrast, other fate map studies indicated th ...
... midline. Movement of axial mesendodermal cells and the subsequent elongation of the neural plate midline have been proposed as playing a role in separation of the eyes (Woo and Fraser, 1995; Heisenberg and Nüsslein-Volhard, 1997; Marlow et al., 1998). In contrast, other fate map studies indicated th ...
Visual fields and eye morphology support color vision in a color
... to map out the visual fields of the anterior lateral (AL), posterior median (PM) and posterior lateral (PL) eyes using an apparatus first described by Homann (1928). The reflecting crystal layers of this type of tapetum reflect out light almost exactly along its original direction of incidence (Land, 19 ...
... to map out the visual fields of the anterior lateral (AL), posterior median (PM) and posterior lateral (PL) eyes using an apparatus first described by Homann (1928). The reflecting crystal layers of this type of tapetum reflect out light almost exactly along its original direction of incidence (Land, 19 ...
Binocular integration in the mouse lateral geniculate nuclei
... span eye-specific domains [20]. We also found LGN Binocular cells where the latency difference between ipsi-/contralateral responses was sufficiently large to allow for indirect integration. Based on our cortical inactivation experiments, it is unlikely that this could arise through top-down influen ...
... span eye-specific domains [20]. We also found LGN Binocular cells where the latency difference between ipsi-/contralateral responses was sufficiently large to allow for indirect integration. Based on our cortical inactivation experiments, it is unlikely that this could arise through top-down influen ...
Age Related Macular Degeneration - Kerala Society of Ophthalmic
... course of AMD. Recent advances in clinical research have led not only to a better understanding of the genetics and pathophysiology of age-related macular degeneration but also to new therapies designed to prevent andhelp treat it. ...
... course of AMD. Recent advances in clinical research have led not only to a better understanding of the genetics and pathophysiology of age-related macular degeneration but also to new therapies designed to prevent andhelp treat it. ...
Visual Acuity Is Correlated with the Area of the Foveal Avascular
... the cohort of subjects that had not received any previous treatment. Generalized estimating equations were used to account for correlations of observations from the same subject, as some patients had bilateral imaging. Interactions between FAZ area and age/CST/ disease (DR or RVO)/integrity of the E ...
... the cohort of subjects that had not received any previous treatment. Generalized estimating equations were used to account for correlations of observations from the same subject, as some patients had bilateral imaging. Interactions between FAZ area and age/CST/ disease (DR or RVO)/integrity of the E ...
Quantifying relative afferent pupillary defects using a Sbisa bar
... while the other examiner used the Sbisa bar using the method described by Thompson et al.3 The allocation of bar and order in which the test done was random. Each was blind to the result of the other. Between tests the patient was rested for 3 minutes to enable dark adaptation allowing a standard st ...
... while the other examiner used the Sbisa bar using the method described by Thompson et al.3 The allocation of bar and order in which the test done was random. Each was blind to the result of the other. Between tests the patient was rested for 3 minutes to enable dark adaptation allowing a standard st ...
File - International Journal of Scientific Study
... membrane (ILM) peeling.3 Surgical intervention is usually required in eyes with a larger vitreous surface adhesion or a coexisting ERM.13 For many years, researchers have been investigating pharmacological tools to induce a complete PVD.14 Recently, intravitreal injection of ocriplasmin, a recombina ...
... membrane (ILM) peeling.3 Surgical intervention is usually required in eyes with a larger vitreous surface adhesion or a coexisting ERM.13 For many years, researchers have been investigating pharmacological tools to induce a complete PVD.14 Recently, intravitreal injection of ocriplasmin, a recombina ...
Vitreoretinal / Ocular Trauma - Sight Loss and Vision Priority Setting
... checked and formatted into questions. Where there were duplicates, or very similar submissions, these were combined. The questions below are defined as uncertain because they cannot be answered by an up-to-date systematic review of relevant research evidence. You are being asked to choose and rank 1 ...
... checked and formatted into questions. Where there were duplicates, or very similar submissions, these were combined. The questions below are defined as uncertain because they cannot be answered by an up-to-date systematic review of relevant research evidence. You are being asked to choose and rank 1 ...
Computed Tomography of Ocular Colobomas
... A 5-mon th-old boy with multiple co ngenital anomalies was evaluated for progressive bilateral proptosis. Th e parents had noted th at th e infan t seemed unresponsive to visua l stimuli. Ophthalmo- ...
... A 5-mon th-old boy with multiple co ngenital anomalies was evaluated for progressive bilateral proptosis. Th e parents had noted th at th e infan t seemed unresponsive to visua l stimuli. Ophthalmo- ...
Homeostatic Regulation of Photoreceptor Cell Integrity: Significance
... DEATH OF PHOTORECEPTOR CELLS AND THE IMPORTANCE OF THE RPE IN SUSTAINING ...
... DEATH OF PHOTORECEPTOR CELLS AND THE IMPORTANCE OF THE RPE IN SUSTAINING ...
The Parasympathetic Pathways to Internal Eye Muscles
... whose axons provide innervation, respectively, to the ipsilateral medial rectus, to the ciliary muscle, and to the sphincter pupillae (the last via a synapse in the ciliary ganglion). The observation that there is relaxation of the lateral rectus during convergence8 demands, in addition, an inhibito ...
... whose axons provide innervation, respectively, to the ipsilateral medial rectus, to the ciliary muscle, and to the sphincter pupillae (the last via a synapse in the ciliary ganglion). The observation that there is relaxation of the lateral rectus during convergence8 demands, in addition, an inhibito ...
Computational Studies on Acquisition and Adaptation of Ocular
... P cell plasticity and its possible roles in motor learning, detailed and realistic computational studies that quantitatively reconstruct the temporal dynamics of both P cell firing and movement kinematics during motor learning are scarce. However, such computational studies are essential for underst ...
... P cell plasticity and its possible roles in motor learning, detailed and realistic computational studies that quantitatively reconstruct the temporal dynamics of both P cell firing and movement kinematics during motor learning are scarce. However, such computational studies are essential for underst ...
Session 150 Pharmacology and cellular mechanisms
... and pannexin-1 (Panx1) was postulated as the key component of purinergic signaling pathway in the retinal ganglion cells (RGCs). Compared to P2RX7, P2RX4 is much more sensitive to ATP and was shown to be co-activated with Panx1 in homeostatic brain, as well as in different injury conditions. In this ...
... and pannexin-1 (Panx1) was postulated as the key component of purinergic signaling pathway in the retinal ganglion cells (RGCs). Compared to P2RX7, P2RX4 is much more sensitive to ATP and was shown to be co-activated with Panx1 in homeostatic brain, as well as in different injury conditions. In this ...
UCL Institute of Ophthalmology wins Queen`s Anniversary Prize
... diversity, gives our partnership a unique ability to translate innovation from the lab to the patient as quickly as possible. The close integration between our two organisations means that our partnership is able to use focused academic research into major clinical problems to generate real and last ...
... diversity, gives our partnership a unique ability to translate innovation from the lab to the patient as quickly as possible. The close integration between our two organisations means that our partnership is able to use focused academic research into major clinical problems to generate real and last ...
Visual performance in emmetropia and low myopia after
... Myopic observers may not benefit to the same extent as emmetropes from adaptive optics (AO) correction in a visual acuity (VA) task. To investigate this, we measured AO-corrected VA in 10 low myopes and 9 emmetropes. Subjects were grouped by refractive error. Mean spherical equivalent refractive erro ...
... Myopic observers may not benefit to the same extent as emmetropes from adaptive optics (AO) correction in a visual acuity (VA) task. To investigate this, we measured AO-corrected VA in 10 low myopes and 9 emmetropes. Subjects were grouped by refractive error. Mean spherical equivalent refractive erro ...
Changes in glucose level affect rod function more than cone
... Changes in Glucose Level Affect Rod Function More Than Cone Function in the Isolated, Perfused Cat Eye Claudio Macaluso,* Shoken Onoe,t and Gunter Niemeyer The glucose concentration (gl) in mammalian serum incorporates a normal range of variation of several millimoles. We studied the effects of such ...
... Changes in Glucose Level Affect Rod Function More Than Cone Function in the Isolated, Perfused Cat Eye Claudio Macaluso,* Shoken Onoe,t and Gunter Niemeyer The glucose concentration (gl) in mammalian serum incorporates a normal range of variation of several millimoles. We studied the effects of such ...
Retinal Pigment Epithelium Differentiation and Dedifferentiation 7
... cells that contain other cytokeratin family members. We have attempted to clarify the origin of these cells with other function-related proteins including those involved in melanogenesis such as tyrosinase. Although it is unclear whether adult RPE cells synthesize melanin, there is evidence that the ...
... cells that contain other cytokeratin family members. We have attempted to clarify the origin of these cells with other function-related proteins including those involved in melanogenesis such as tyrosinase. Although it is unclear whether adult RPE cells synthesize melanin, there is evidence that the ...
Correcting for miniature eye movements in high resolution scanning
... which a plane mirror was affixed to the eye and a beam of light was reflected from this mirror to a recording system. Rotations of the eye produced deflections of the beam, and these were typically recorded on a moving photographic film or plate. With sufficient distance between the eye and the reco ...
... which a plane mirror was affixed to the eye and a beam of light was reflected from this mirror to a recording system. Rotations of the eye produced deflections of the beam, and these were typically recorded on a moving photographic film or plate. With sufficient distance between the eye and the reco ...
Lens and retina regeneration
... Lens regeneration has been studied for over a century, with the newt being the only adult animal that is capable of completely regenerating this complex organ [1,2]. The sheer unlimited regeneration potential of newt eyes following lens removal, even in older individuals, has established this system ...
... Lens regeneration has been studied for over a century, with the newt being the only adult animal that is capable of completely regenerating this complex organ [1,2]. The sheer unlimited regeneration potential of newt eyes following lens removal, even in older individuals, has established this system ...
The effect of interruption of the short posterior ciliary arteries
... per cent decrease in the amount of labeled protein entering the retrolaminar optic nerve. There was a diminution in the density of grains seen autoradiographically in the prelaminar and laminar optic nerve head. In addition, focal abnormalities in transport at the level of the lamina scleralis were ...
... per cent decrease in the amount of labeled protein entering the retrolaminar optic nerve. There was a diminution in the density of grains seen autoradiographically in the prelaminar and laminar optic nerve head. In addition, focal abnormalities in transport at the level of the lamina scleralis were ...
The use of optical coherence tomography in neuro
... had larger ONHs than LHON-affected eyes. In addition, among the LHON-affected eyes, larger discs correlated with visual recovery and had better visual outcomes. The authors postulated that a large disc size could have a protective role in patients with LHON mutations. Retrogeniculate lesions Using O ...
... had larger ONHs than LHON-affected eyes. In addition, among the LHON-affected eyes, larger discs correlated with visual recovery and had better visual outcomes. The authors postulated that a large disc size could have a protective role in patients with LHON mutations. Retrogeniculate lesions Using O ...
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... These include the lateral geniculate nucleus (LGN), the superior colliculus (SC), and pretectal nuclei (171). They also project to the superachiasmatic nucleus and the accessory optic system (183). In primates, retinal projections to both the LGN and SC respect the sharp nasotemporal division, in th ...
... These include the lateral geniculate nucleus (LGN), the superior colliculus (SC), and pretectal nuclei (171). They also project to the superachiasmatic nucleus and the accessory optic system (183). In primates, retinal projections to both the LGN and SC respect the sharp nasotemporal division, in th ...
Topical Administration of Somatostatin Prevents Retinal
... The animals used in this study were treated in accordance with the Association for Research in Vision and Ophthalmology Statement. Pharmacokinetic analyses. A pharmacokinetic analysis after a single topical dose of radiolabeled 125I-somatostatin was performed. For this purpose, seven rats were anest ...
... The animals used in this study were treated in accordance with the Association for Research in Vision and Ophthalmology Statement. Pharmacokinetic analyses. A pharmacokinetic analysis after a single topical dose of radiolabeled 125I-somatostatin was performed. For this purpose, seven rats were anest ...
Original Article DIAGNOSIS OF DIABETIC MACULAR EDEMA (DME
... study. A report forwarded by Nizan Kowska et al25 the incidence of diabetic maculopathy was 81.6%. These results are comparable with our study work. In their research Suresha et al26 reported that out of 17 cases of Diabetic maculopathy, 5 cases were of CSME (29.4%), 3 cases were focal maculopathy ( ...
... study. A report forwarded by Nizan Kowska et al25 the incidence of diabetic maculopathy was 81.6%. These results are comparable with our study work. In their research Suresha et al26 reported that out of 17 cases of Diabetic maculopathy, 5 cases were of CSME (29.4%), 3 cases were focal maculopathy ( ...
Anti-vascular endothelial growth factor indications in ocular disease
... treatment should be initiated with one injections/month for 5 consecutive months, followed by one intravitreal injection every 2 months with the possibility of extension based on anatomic and visual outcome [26]. There is high quality evidence shown in clinical trials that anti-VEGF agents have an i ...
... treatment should be initiated with one injections/month for 5 consecutive months, followed by one intravitreal injection every 2 months with the possibility of extension based on anatomic and visual outcome [26]. There is high quality evidence shown in clinical trials that anti-VEGF agents have an i ...