PDF of article - The Creation Research Society
... An essential difference between vertebrate and invertebrate eyes is that the vertebrate eye photoreceptors face outwards towards the choroid, whereas in invertebrates they mostly point inwards towards the lens. But for that obstacle we should have been deluged with theories on the original evolution ...
... An essential difference between vertebrate and invertebrate eyes is that the vertebrate eye photoreceptors face outwards towards the choroid, whereas in invertebrates they mostly point inwards towards the lens. But for that obstacle we should have been deluged with theories on the original evolution ...
Cannabis and glaucoma - The inside story
... problem in the first place? Could it be that genetic variations in the endocannabinoid system underpin susceptibility to glaucoma? After all, there has never been a clear causal link between the three prongs of the glaucoma trinity – raised IOP, neurodegeneration and excavation of the optic nerve.Al ...
... problem in the first place? Could it be that genetic variations in the endocannabinoid system underpin susceptibility to glaucoma? After all, there has never been a clear causal link between the three prongs of the glaucoma trinity – raised IOP, neurodegeneration and excavation of the optic nerve.Al ...
Ocular stem cells: a status update!
... ciliary epithelium cells differentiate well into the retinal lineage cells that express retinal markers but do not integrate with existing retinal architecture. Recently, Gualdoni and colleagues [33] and Yanagi and colleagues [34] reported that ciliary epithelium cells lack the potential to differen ...
... ciliary epithelium cells differentiate well into the retinal lineage cells that express retinal markers but do not integrate with existing retinal architecture. Recently, Gualdoni and colleagues [33] and Yanagi and colleagues [34] reported that ciliary epithelium cells lack the potential to differen ...
Retinal image quality in the rodent eye
... experiments. Just before the collection of each set of data, a drop was placed on the eye and the excess removed with a small piece of absorbent tissue. An ancillary infrared viewing system allowed us to monitor and measure the size of the animal’s pupils. After the animal had been aligned, initial ...
... experiments. Just before the collection of each set of data, a drop was placed on the eye and the excess removed with a small piece of absorbent tissue. An ancillary infrared viewing system allowed us to monitor and measure the size of the animal’s pupils. After the animal had been aligned, initial ...
here - BriSCEV
... therefore there is no reorganization of V1. However, when we examined individuals with small inherited central scotomas, which arose because of a lack of cone function, remapping of V1 was evident. In these individuals therefore there is evidence of reorganization. The ex ...
... therefore there is no reorganization of V1. However, when we examined individuals with small inherited central scotomas, which arose because of a lack of cone function, remapping of V1 was evident. In these individuals therefore there is evidence of reorganization. The ex ...
pdf
... vortex veins where as retinal detachments are limited by the optic disc producing a characteristic V shape. ...
... vortex veins where as retinal detachments are limited by the optic disc producing a characteristic V shape. ...
Effect of wavelength on in vivo images of the human cone mosaic
... 550, 650, and 750 nm wavelengths, respectively. The position of the entrance pupil was translated both vertically and horizontally in 1 mm increments until the best pupil image was observed on the CCD camera. The best image was defined as the position in which the intensity of the directional compon ...
... 550, 650, and 750 nm wavelengths, respectively. The position of the entrance pupil was translated both vertically and horizontally in 1 mm increments until the best pupil image was observed on the CCD camera. The best image was defined as the position in which the intensity of the directional compon ...
Comparison of Macular Thickness and Volume in Amblyopic
... scanning laser polarimetry17 or confocal scanning laser ophthlamoscopy18 in order to assess retinal changes. Several works using OCT have focused on the macula19-21, the optic nerve22-25 or both26-33, with contradictory results. Park et al21 studied macular thickness in 20 amblyopic patients using s ...
... scanning laser polarimetry17 or confocal scanning laser ophthlamoscopy18 in order to assess retinal changes. Several works using OCT have focused on the macula19-21, the optic nerve22-25 or both26-33, with contradictory results. Park et al21 studied macular thickness in 20 amblyopic patients using s ...
Title: Difference in retinal nerve fiber layer thickness between normal
... Background: Screening of the retinal nerve fiber layer (RNFL) is valuable in the early stages of glaucoma, because RNFL changes may precede functional loss. Aim to study: The purpose of this study was to assess the RNFL thickness in normal and glaucomatous eyes. Difference in the RNFL thickness was ...
... Background: Screening of the retinal nerve fiber layer (RNFL) is valuable in the early stages of glaucoma, because RNFL changes may precede functional loss. Aim to study: The purpose of this study was to assess the RNFL thickness in normal and glaucomatous eyes. Difference in the RNFL thickness was ...
Ocular fundus in neurofibromatosis type 2
... examples of optic disc gliomas. It has been suggested that these extremely rare tumours may be found specifically in patients with NF 2.1 This assumption was based on reports published long before the identification of NF 2 as a distinct disease.22-24 The three reported patients were all deafand had ...
... examples of optic disc gliomas. It has been suggested that these extremely rare tumours may be found specifically in patients with NF 2.1 This assumption was based on reports published long before the identification of NF 2 as a distinct disease.22-24 The three reported patients were all deafand had ...
Session 161 Posterior segment mechanisms and functions
... were found with the locus of interest for a number of parameters as follows: photopic 30 Hz flicker peak amplitude (p=0.017) and implicit time (p=0.026); photopic standard flash b-wave amplitude (p=0.017) and implicit time (p=0.035). Of the parameters for scotopic ERGs, no significant associations w ...
... were found with the locus of interest for a number of parameters as follows: photopic 30 Hz flicker peak amplitude (p=0.017) and implicit time (p=0.026); photopic standard flash b-wave amplitude (p=0.017) and implicit time (p=0.035). Of the parameters for scotopic ERGs, no significant associations w ...
Multimodal analysis of ocular inflammation using endotoxin
... Unless stated otherwise, all mice used were female C57BL/6J strain (Harlan, UK), brought into the animal facility at 6 weeks of age and maintained on the open shelf with food and water ad libitum a week prior to procedure. Breeding pairs of C57BL/6 Ccr2-/- (B6.129S4Ccr2tm1Ifc/J) mice were a gift fro ...
... Unless stated otherwise, all mice used were female C57BL/6J strain (Harlan, UK), brought into the animal facility at 6 weeks of age and maintained on the open shelf with food and water ad libitum a week prior to procedure. Breeding pairs of C57BL/6 Ccr2-/- (B6.129S4Ccr2tm1Ifc/J) mice were a gift fro ...
Vitreous fluorophotometry evaluation of xenon
... fluorophotometry before photocoagulation and at 1, 3, 7, 10, 14, and 21 days afterward. The apparatus and techniques have been previously described.2 In this study, a fiberoptic probe 450 /am in size was used. The posterior pole of the eye, immediately inferior to the myelinated nerve fiber, was sel ...
... fluorophotometry before photocoagulation and at 1, 3, 7, 10, 14, and 21 days afterward. The apparatus and techniques have been previously described.2 In this study, a fiberoptic probe 450 /am in size was used. The posterior pole of the eye, immediately inferior to the myelinated nerve fiber, was sel ...
OPTIC NERVE DISEASE
... vision in his left eye. He has had only moderate blood sugar control as he takes his insulin only when he feels he needs it. 2013 WTD OPHTH ® ...
... vision in his left eye. He has had only moderate blood sugar control as he takes his insulin only when he feels he needs it. 2013 WTD OPHTH ® ...
Masquerade Syndromes
... Non-Hodgkin’s lymphoma of the Central Nervous System Non-Hodgkin’s lymphoma (NHL) of the central nervous system (CNS) is also known as Primary CNS Lymphoma, and can arise from the brain, spinal cord, leptomeninges, or the eye, and may spread throughout the CNS [4], as illustrated in case 1 above. Th ...
... Non-Hodgkin’s lymphoma of the Central Nervous System Non-Hodgkin’s lymphoma (NHL) of the central nervous system (CNS) is also known as Primary CNS Lymphoma, and can arise from the brain, spinal cord, leptomeninges, or the eye, and may spread throughout the CNS [4], as illustrated in case 1 above. Th ...
Anatomy of the Eye, Conditions, and Functional Implications
... and cones Composed of the outermost ends of Muller’s cells ◦ Muller’s cells extend vertically from the external to ...
... and cones Composed of the outermost ends of Muller’s cells ◦ Muller’s cells extend vertically from the external to ...
Clinical Advantages of Swept-Source OCT and New Non
... thought was important, especially for the treatment of macular conditions such as diabetic macular edema (DME). More numerous and more closely spaced burns seem to be required. Logically, you may ask if this is clinically effective, and in fact, we have shown effectiveness in two clinical audits.5,6 ...
... thought was important, especially for the treatment of macular conditions such as diabetic macular edema (DME). More numerous and more closely spaced burns seem to be required. Logically, you may ask if this is clinically effective, and in fact, we have shown effectiveness in two clinical audits.5,6 ...
Ophthalmological Emergencies
... dressing should be applied in prehospital setting. Simple pressure usually adequate for hemorrhage control. ...
... dressing should be applied in prehospital setting. Simple pressure usually adequate for hemorrhage control. ...
Ophthalmic Imaging - an Overview and Current State of Art: Part I
... two-dimensional photographs. The use of this technique in ophthalmology dates back as far as 1909, but it wasn’t until the 1960’s that stereo fundus photography became widely employed after Lee Allen described a practical technique for sequential stereo fundus photography (Allen 1964). This techniqu ...
... two-dimensional photographs. The use of this technique in ophthalmology dates back as far as 1909, but it wasn’t until the 1960’s that stereo fundus photography became widely employed after Lee Allen described a practical technique for sequential stereo fundus photography (Allen 1964). This techniqu ...
Iatrogenic Carotid Cavernous Sinus Syndrome
... With no previous history of retinal or cerebral vascular disease, a 61-year-old hypertensive man described 2 spells per day for 3 consecutive days of loss of vision in the temporal half visual field of the right eye lasting about one minute each time. He had been careful to cover each eye separately ...
... With no previous history of retinal or cerebral vascular disease, a 61-year-old hypertensive man described 2 spells per day for 3 consecutive days of loss of vision in the temporal half visual field of the right eye lasting about one minute each time. He had been careful to cover each eye separately ...
Williams, D.R. (2011) - advanced retinal imaging alliance
... (Williams, 1985, 1988). Artal and Navarro (1989) wondered whether another variant of interferometry, based on the interference of light returning from the retina rather than light entering the eye, could be used to estimate the spacing of cones in the living eye. Their approach was derived from a te ...
... (Williams, 1985, 1988). Artal and Navarro (1989) wondered whether another variant of interferometry, based on the interference of light returning from the retina rather than light entering the eye, could be used to estimate the spacing of cones in the living eye. Their approach was derived from a te ...
Sympathetic ophthalmitis following adherent leucoma
... penetrating injury in which wound healing is complicated by incarceration of iris, ciliary body and choroid [3, 4]. It affects both eyes and usually occurs between two weeks to three months after trauma but it can extend up to many years, 80% cases occur within three months and 90% within a year [5] ...
... penetrating injury in which wound healing is complicated by incarceration of iris, ciliary body and choroid [3, 4]. It affects both eyes and usually occurs between two weeks to three months after trauma but it can extend up to many years, 80% cases occur within three months and 90% within a year [5] ...
Trauma for the OD: A Case Management Approach
... • Aminocaproic (antifibrinolytic) acid may be used for larger hyphemas or with increased risk of re-bleeds – May require inpatient care due to side effects ...
... • Aminocaproic (antifibrinolytic) acid may be used for larger hyphemas or with increased risk of re-bleeds – May require inpatient care due to side effects ...
special senses 1 - Sinoe Medical Association
... ( d and d cones)) which hi h receive i the light; the resulting neural signals then undergo complex processing by other neurons of the retina, and are transformed into action potentials in retinal ganglion cells whose axons form the optic nerve. nerve The retina not only detects light, it also plays ...
... ( d and d cones)) which hi h receive i the light; the resulting neural signals then undergo complex processing by other neurons of the retina, and are transformed into action potentials in retinal ganglion cells whose axons form the optic nerve. nerve The retina not only detects light, it also plays ...
Posterior Vitreous Detachment and Its Sequellae
... which often can be seen just behind the lens with slit lamp biomicroscopy. A positive Schaeffer’s sign is nearly always associated with a retinal tear. Patients developing vitreous detachments frequently complain of flashing lights (photopsias). These are caused by intermittent vitreous traction on ...
... which often can be seen just behind the lens with slit lamp biomicroscopy. A positive Schaeffer’s sign is nearly always associated with a retinal tear. Patients developing vitreous detachments frequently complain of flashing lights (photopsias). These are caused by intermittent vitreous traction on ...