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- KoreaMed Synapse
... Eye globe abnormalities can be readily detected on dedicated and non-dedicated CT and MR studies. A primary understanding of the globe anatomy is key to characterising both traumatic and non-traumatic globe abnormalities. The globe consists of three primary layers: the sclera (outer), uvea (middle), ...
... Eye globe abnormalities can be readily detected on dedicated and non-dedicated CT and MR studies. A primary understanding of the globe anatomy is key to characterising both traumatic and non-traumatic globe abnormalities. The globe consists of three primary layers: the sclera (outer), uvea (middle), ...
Computer measurement of retinal nerve fiber layer
... between adjacent density values along arcs concentric with the optic disk as a measure of RNFL atrophy. This measure is highly sensitive to contrast and luminance changes between images. We have expanded and modified this approach using similar measurements and image processing. We used a measure of ...
... between adjacent density values along arcs concentric with the optic disk as a measure of RNFL atrophy. This measure is highly sensitive to contrast and luminance changes between images. We have expanded and modified this approach using similar measurements and image processing. We used a measure of ...
Vitreous haemorrhage in tuberous - British Journal of Ophthalmology
... The condition is inherited as an autosomal dominant, Eo that early recognition is of paramount importance for genetic counselling. A large proportion of new cases, however, occur as mutations (Bundey, I 971). The present report describes retinal phakomata in two cases of tuberous sclerosis. Fluoresc ...
... The condition is inherited as an autosomal dominant, Eo that early recognition is of paramount importance for genetic counselling. A large proportion of new cases, however, occur as mutations (Bundey, I 971). The present report describes retinal phakomata in two cases of tuberous sclerosis. Fluoresc ...
Persistent hyaloid artery with an aberrant peripheral retinal
... lentis without much or any posterior hyaloid component.[4] Posterior PHPV is very rare in which opaque connective tissue arises from the Bergmeister’s papillae and persistent hyaloid vessels.[4] They can cause congenital falciform folds of the retina and in severe cases, can cause tentlike retinal f ...
... lentis without much or any posterior hyaloid component.[4] Posterior PHPV is very rare in which opaque connective tissue arises from the Bergmeister’s papillae and persistent hyaloid vessels.[4] They can cause congenital falciform folds of the retina and in severe cases, can cause tentlike retinal f ...
Retinal damage in macaque after white light exposures lasting ten
... about 2 days. But, as Griess and Blankenstein determined the time constant in an indirect way, this is only true when no other, unexpected, processes interfere at long exposures. Sykes'" experiments actually suggest such an interference. The aim of the present study was to investigate whether or not ...
... about 2 days. But, as Griess and Blankenstein determined the time constant in an indirect way, this is only true when no other, unexpected, processes interfere at long exposures. Sykes'" experiments actually suggest such an interference. The aim of the present study was to investigate whether or not ...
10.9 Sense of Sight The eye, the organ containing visual receptors
... types of drugs, such as the triptans, effectively relieve migraines, but they are best taken at the first sign of illness, and several drugs may need to be tried to find an effective one. For some people, keeping a diary of conditions before an attack can reveal a trigger, such as eating chocolate o ...
... types of drugs, such as the triptans, effectively relieve migraines, but they are best taken at the first sign of illness, and several drugs may need to be tried to find an effective one. For some people, keeping a diary of conditions before an attack can reveal a trigger, such as eating chocolate o ...
reptilian eyes and orbital structures
... Oil droplets may be found in the ends of cones.8,19-22 They represent a common mechanism by which retinal sensitivity is modified.22 They function as filters and can increase the ability of an animal to discriminate objects or edges and detect colors.6,8,22,27 There is some evidence that oil drople ...
... Oil droplets may be found in the ends of cones.8,19-22 They represent a common mechanism by which retinal sensitivity is modified.22 They function as filters and can increase the ability of an animal to discriminate objects or edges and detect colors.6,8,22,27 There is some evidence that oil drople ...
as a PDF
... Mean values of RGC density and RGC soma area at different retinal regions were calculated. Moreover, we analyzed the distribution of different sized RGCs, defined according to their soma major axis length. The frequency of RGCs with a given major axis length were obtained for each field and retinal ...
... Mean values of RGC density and RGC soma area at different retinal regions were calculated. Moreover, we analyzed the distribution of different sized RGCs, defined according to their soma major axis length. The frequency of RGCs with a given major axis length were obtained for each field and retinal ...
ARVO 2015 Annual Meeting Abstracts 113 New techniques and
... Results: The serum samples from dry AMD patients cluster together reasonably well based on their metabolomics profile. With regards to serum samples from patients with wet AMD the clustering is far more complex. Samples from patients with dry AMD show an increase in arginine, and decreased glucose, ...
... Results: The serum samples from dry AMD patients cluster together reasonably well based on their metabolomics profile. With regards to serum samples from patients with wet AMD the clustering is far more complex. Samples from patients with dry AMD show an increase in arginine, and decreased glucose, ...
Dr. SriniVas Sadda
... of the retina temporally and nasally, albeit with peripheral distortion, while the ultra-widefield Heidelberg Spectralis® module was able to image the superior and inferior retinal vasculature more peripherally. The clinical significance of these findings as well as the area imaged on steered montag ...
... of the retina temporally and nasally, albeit with peripheral distortion, while the ultra-widefield Heidelberg Spectralis® module was able to image the superior and inferior retinal vasculature more peripherally. The clinical significance of these findings as well as the area imaged on steered montag ...
Macular Buckle for Retinal detachment Related to
... eyetube.net/?v=nifiz muscles, and between them a 5-0 eyetube.net ...
... eyetube.net/?v=nifiz muscles, and between them a 5-0 eyetube.net ...
Endophthalmitis[PPT]
... • Bacillus spp • Fungi (esp. Fusarium) May occur anytime from days to weeks following ...
... • Bacillus spp • Fungi (esp. Fusarium) May occur anytime from days to weeks following ...
Novel ophthalmic imaging
... computing the average correlation coefficient between the extrastriate visual cortex and each voxel in the brain. We then examined the effects of visual experience by fitting these FC maps with a linear model with predictors including duration of blindness, a dummy variable for congenital blindness, ...
... computing the average correlation coefficient between the extrastriate visual cortex and each voxel in the brain. We then examined the effects of visual experience by fitting these FC maps with a linear model with predictors including duration of blindness, a dummy variable for congenital blindness, ...
A SYNDROME OF EXTENSIVE PERIPAPILLARY MYELINATED
... The explanation for the occurrence of intraocular myelination is unknown. An error in process of myelination, or in the formation of the sclera, is hypothesized to be responsible for the myelin’s reaching the retina2.Oligodendrocytes responsible for myelination of the CNS, are not normally present i ...
... The explanation for the occurrence of intraocular myelination is unknown. An error in process of myelination, or in the formation of the sclera, is hypothesized to be responsible for the myelin’s reaching the retina2.Oligodendrocytes responsible for myelination of the CNS, are not normally present i ...
Patient-specific induced pluripotent stem cells (iPSCs) for the study
... could be reprogrammed into ESC-like pluripotent stem cells, termed induced pluripotent stem cells (iPSCs) (Yamanaka and Takahashi, 2006). They used the knowledge that somatic cell reprogramming can be achieved by transferring a somatic cell's nucleus into an oocyte in order to investigate if the fac ...
... could be reprogrammed into ESC-like pluripotent stem cells, termed induced pluripotent stem cells (iPSCs) (Yamanaka and Takahashi, 2006). They used the knowledge that somatic cell reprogramming can be achieved by transferring a somatic cell's nucleus into an oocyte in order to investigate if the fac ...
globe injury - Medical Students Knowledge Marathon of India
... • Iridodialysis : detachment of iris from its root at the ciliary body resulting in a D-shaped pupil ...
... • Iridodialysis : detachment of iris from its root at the ciliary body resulting in a D-shaped pupil ...
Shafaie et al 2016 BROA - University of Hertfordshire
... quick to construct, relatively inexpensive, and reproducible, while providing mechanistic understanding of the results.3,10 In addition, in vitro models can be used to evaluate a number of combinations of experimental parameters, which is often not achievable with animal models.40,41 These models ar ...
... quick to construct, relatively inexpensive, and reproducible, while providing mechanistic understanding of the results.3,10 In addition, in vitro models can be used to evaluate a number of combinations of experimental parameters, which is often not achievable with animal models.40,41 These models ar ...
Experimental porcine models of retinal ischemia
... disease, where a rapid effect is necessary and opacified media are common. For a recent review, the reader is referred to Kumar et al. (Kumar et al., 2012). Pharmacological treatment Intense research has been devoted to identifying the ischaemia-stimulated signalling pathways in order to aid the dev ...
... disease, where a rapid effect is necessary and opacified media are common. For a recent review, the reader is referred to Kumar et al. (Kumar et al., 2012). Pharmacological treatment Intense research has been devoted to identifying the ischaemia-stimulated signalling pathways in order to aid the dev ...
Persistent Hyperplastic Primary Vitreous: Magnetic Resonance
... a better method to identify tissue components such as melanin, methemoglobin, deoxyhemoglobin, and proteinaceous fluid.(13,14) In addition, MR imaging subjects ocular tissues to no irradiation as compared with CT scans and has less biological side effects; it contributes to higher sensitivity and sp ...
... a better method to identify tissue components such as melanin, methemoglobin, deoxyhemoglobin, and proteinaceous fluid.(13,14) In addition, MR imaging subjects ocular tissues to no irradiation as compared with CT scans and has less biological side effects; it contributes to higher sensitivity and sp ...
Dr Ziai chronic visual loss_compressed
... Proliferative Diabetic Retinopathy more likely to become symptomatic than early NPDR may have decreased vision, sudden vision loss, floaters, cobwebs, flashes, dull eye ache PDR can also affect visual function by affecting the macula with resulting macular ischemia and/or edema ...
... Proliferative Diabetic Retinopathy more likely to become symptomatic than early NPDR may have decreased vision, sudden vision loss, floaters, cobwebs, flashes, dull eye ache PDR can also affect visual function by affecting the macula with resulting macular ischemia and/or edema ...
bionic eye
... photo receptors ,and is implanted to replace the functionality of the defective photoreceptors . Current generated by the device in response to light stimulation will alter the membrane potential of the overlying neurons and thereby activate the visual system. ...
... photo receptors ,and is implanted to replace the functionality of the defective photoreceptors . Current generated by the device in response to light stimulation will alter the membrane potential of the overlying neurons and thereby activate the visual system. ...
New Methods of Diagnosis and Treatment of Ophthalmic Artery
... Retinal Vein Occlusion syndromes and significant narrowing’s of the ophthalmic arteries. Further, we wanted to see if a minimally invasive technique could accurately indicate low orbital arterial perfusion and predict which patients may benefit from cerebral angiography. By identifying proximal opht ...
... Retinal Vein Occlusion syndromes and significant narrowing’s of the ophthalmic arteries. Further, we wanted to see if a minimally invasive technique could accurately indicate low orbital arterial perfusion and predict which patients may benefit from cerebral angiography. By identifying proximal opht ...
Ocular Application of Nerve Growth Factor Protects
... cells (RGCs) leads to optic nerve (ON) degeneration and vision loss. However, although the elevated intraocular pressure (EIOP) is considered a primary cause of the visual deficit, it is known that some patients still experience visual loss after lowering the IOP and others with GL and ON degeneratio ...
... cells (RGCs) leads to optic nerve (ON) degeneration and vision loss. However, although the elevated intraocular pressure (EIOP) is considered a primary cause of the visual deficit, it is known that some patients still experience visual loss after lowering the IOP and others with GL and ON degeneratio ...
Slide 1
... • Each of the constituent chains of the triple helix are called alpha chains and are coiled in a left handed helix with three amino acids per turn. • The constituent amino acids are regularly arranged in the order Gly-X-Y such that glycine, which is the smallest of all amino acids, occupies the rest ...
... • Each of the constituent chains of the triple helix are called alpha chains and are coiled in a left handed helix with three amino acids per turn. • The constituent amino acids are regularly arranged in the order Gly-X-Y such that glycine, which is the smallest of all amino acids, occupies the rest ...
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 ...