作者: Morbid 時(shí)間: 2025-3-21 20:42
Color vision and retinitis pigmentosaorth-Munsell 100 hue test (FM 100), and Nagel anomaloscope. Three of the patients could not read the SPP2 plates, and 5 patients could not complete the FM 100 test. The Lanthony Tritan Album and Farnsworth Panel D 15 were used for these patients. The age of the patients varied from 8 to 69 years (me作者: homocysteine 時(shí)間: 2025-3-22 01:13 作者: 軍械庫(kù) 時(shí)間: 2025-3-22 07:19
Pharmacology of a colour coding synapse in the retinaynaptic arrangement alterations in the ambient light conditions are accompanied by remarkable morphological alterations of the synaptic connections between cones and horizontal cells. During light-adaptation fingerlike new neurites, called spinules, grow out from the dendritic terminals of the horiz作者: RODE 時(shí)間: 2025-3-22 11:23 作者: 保守黨 時(shí)間: 2025-3-22 13:09 作者: 保守黨 時(shí)間: 2025-3-22 18:51 作者: Glucose 時(shí)間: 2025-3-23 01:15 作者: 臭了生氣 時(shí)間: 2025-3-23 03:40
S-cone contrast sensitivity in glaucoma as a function of mean luminance as the Farnsworth-Munsell 100 hue has been limited due in part to effects of individual variations in pupil size and extent of lens yellowing. S-cone contrast sensitivity has been proposed as a more useful tritan test, but it is not known precisely how S-cone contrast sensitivity measured with a co作者: Ornithologist 時(shí)間: 2025-3-23 07:02
Motion thresholds of coloured stimuli of different luminance contrasts are increased in ocular hyper hypertension and early POAG in relation to the pathway mediating colour vision (i.e. the parvocellular pathway)..We have developed a psychophysical technique to measure motion thresholds at various luminance contrasts (max., 95%, 78% and isoluminant) in patients with ocular hypertension and POAG an作者: floaters 時(shí)間: 2025-3-23 12:34
Visual functions in a patient with acquired achromatopsia Subjectively, he reports that colours appear abnormal to him and his descriptions of surface colours are similar to those of other patients who suffer cerebral achromatopsia. His colour matching and two colour increment threshold data establish that his cone photoreceptors have normal spectral resp作者: 饒舌的人 時(shí)間: 2025-3-23 14:38
The effects of sub-cortical and cortical damage on colour visionnt retinal units, at the ganglion cells or optic nerve fibres, abolishes all aspects of colour vision. Conversely, cortical lesions of primate visual area V4 affect only one aspect of colour vision, namely colour constancy leaving colour discrimination and simple categorization intact. The chromatic作者: 小故事 時(shí)間: 2025-3-23 20:10 作者: 多嘴 時(shí)間: 2025-3-23 23:29 作者: 戰(zhàn)役 時(shí)間: 2025-3-24 04:56 作者: mechanical 時(shí)間: 2025-3-24 08:03 作者: Encephalitis 時(shí)間: 2025-3-24 12:20
The red-green chromatic system in X-chromosome- linked anomalous trichromatsdetection thresholds and hue identification thresholds on a white pedestal. Detection sensitivity functions for wavelengths greater than 500 nm showed two peaks and a notch around 570 nm (PA and N) or 580 nm (DA). The peaks of the function for the two anomalous trichromats were much less sensitive a作者: 陳列 時(shí)間: 2025-3-24 18:20 作者: pellagra 時(shí)間: 2025-3-24 21:45 作者: stress-test 時(shí)間: 2025-3-25 01:02
https://doi.org/10.1007/978-3-663-02060-8l dominant retinitis pigmentosa, in which the defect is caused by a defect in the gene coding for rhodopsin. In early and in mild cases, in which retinal function as judged by quantitative perimetry, threshold measurement and electroretinography is normal or nearly normal, there is a profound loss o作者: 注視 時(shí)間: 2025-3-25 03:56 作者: PIZZA 時(shí)間: 2025-3-25 09:56
https://doi.org/10.1007/978-3-663-02060-8tients who had undergone anatomically successful surgery for unilateral primary rhegmatogenous retinal detachment by scleral buckling or by vitrectomy. All patients had a normal contralateral eye. Colour vision and visual sensitivity scores were significantly worse in the operated eye as compared to作者: Exclaim 時(shí)間: 2025-3-25 15:30
https://doi.org/10.1007/978-3-663-02060-8ynaptic arrangement alterations in the ambient light conditions are accompanied by remarkable morphological alterations of the synaptic connections between cones and horizontal cells. During light-adaptation fingerlike new neurites, called spinules, grow out from the dendritic terminals of the horiz作者: Interdict 時(shí)間: 2025-3-25 19:47
https://doi.org/10.1007/978-3-663-02060-8 and color vision becomes trichromatic. To investigate the role of dopamine in light adaptation, we tested the effect of the unspecific dopamine antagonist haloperidol and of the specific dopamine Dl receptor antagonists SCH 23390 and SKF 83566-biotinyl in behavioral wavelength discrimination experi作者: hypnogram 時(shí)間: 2025-3-25 21:48
https://doi.org/10.1007/978-3-663-02060-8, 1967; Aitchison .., 1990), we tested the color vision of a population of Down’s syndrome patients, using Ishihara plates and the Davico anomaloscope. The Down’s syndrome group had a significantly higher proportion of color deficiencies than either normal controls or a matched mentally retarded pop作者: 貪婪性 時(shí)間: 2025-3-26 03:38
,Schlu?betrachtung und Ausblick, period. We used the Farnsworth-Munsell 100 hue Test (FM-100), heterochromatic brightness matching (HBM), and wavelength discrimination. Their results were compared to an age-matched control group..The FM-100 results from the diabetic group showed a general increase in error scores only in the first作者: 重力 時(shí)間: 2025-3-26 05:58
https://doi.org/10.1007/978-3-663-11367-6ted. In one case the subject had Leber’s optic atrophy; in another, the subject had a microinfarct of the optic nerve fiber layer. In the other cases no pathology was known. However, we subsequently found that the third subject has optic nerve hypoplasia, and the fourth case has megalopapilla of the作者: 朝圣者 時(shí)間: 2025-3-26 10:45
,Das GLSP mit Rüstzeiten (GLSPST), as the Farnsworth-Munsell 100 hue has been limited due in part to effects of individual variations in pupil size and extent of lens yellowing. S-cone contrast sensitivity has been proposed as a more useful tritan test, but it is not known precisely how S-cone contrast sensitivity measured with a co作者: overweight 時(shí)間: 2025-3-26 14:18
,Losgr??en- und Reihenfolgeplanung, hypertension and early POAG in relation to the pathway mediating colour vision (i.e. the parvocellular pathway)..We have developed a psychophysical technique to measure motion thresholds at various luminance contrasts (max., 95%, 78% and isoluminant) in patients with ocular hypertension and POAG an作者: 浮雕寶石 時(shí)間: 2025-3-26 20:08
https://doi.org/10.1007/978-3-322-86221-1 Subjectively, he reports that colours appear abnormal to him and his descriptions of surface colours are similar to those of other patients who suffer cerebral achromatopsia. His colour matching and two colour increment threshold data establish that his cone photoreceptors have normal spectral resp作者: tooth-decay 時(shí)間: 2025-3-26 22:43
Entwicklung eines eigenen Modells,nt retinal units, at the ganglion cells or optic nerve fibres, abolishes all aspects of colour vision. Conversely, cortical lesions of primate visual area V4 affect only one aspect of colour vision, namely colour constancy leaving colour discrimination and simple categorization intact. The chromatic作者: 儀式 時(shí)間: 2025-3-27 01:37
Simultane Probit- und Tobitmodelled to elicit colour mechanisms in HH. The blue mechanism was missing most of the time in the central as well as in the blind areas. However, some weak responses of the Green and Red mechanisms were obtained in the blind areas. This paper presents the results of our investigations.作者: exceed 時(shí)間: 2025-3-27 07:55 作者: 厚顏無(wú)恥 時(shí)間: 2025-3-27 13:20
https://doi.org/10.1007/978-3-663-13055-0The back-propagation learning technique was used to train a three-layer neural network model to realize the nonlinear mapping from cone space to perceived color space. The dichromatic color vision models of the three types of cone loss were represented by the constraint of a loss of the respective c作者: CLAIM 時(shí)間: 2025-3-27 16:04 作者: 煉油廠 時(shí)間: 2025-3-27 18:16
https://doi.org/10.1007/978-3-642-58976-8detection thresholds and hue identification thresholds on a white pedestal. Detection sensitivity functions for wavelengths greater than 500 nm showed two peaks and a notch around 570 nm (PA and N) or 580 nm (DA). The peaks of the function for the two anomalous trichromats were much less sensitive a作者: 背書 時(shí)間: 2025-3-27 23:38 作者: 表示向下 時(shí)間: 2025-3-28 03:38 作者: 細(xì)微差別 時(shí)間: 2025-3-28 06:25 作者: G-spot 時(shí)間: 2025-3-28 12:08 作者: G-spot 時(shí)間: 2025-3-28 16:49
https://doi.org/10.1007/978-3-663-02060-8view of the known neurotransmitters and intracellular mechanisms involved in spinule formation. In addition, we present data to show that the spinules of the fish retina seem to be a valuable model to study the cellular mechanisms of colour vision defects caused by certain pharmaca in humans.作者: legislate 時(shí)間: 2025-3-28 21:43 作者: 積極詞匯 時(shí)間: 2025-3-29 02:48 作者: 正式通知 時(shí)間: 2025-3-29 04:49
,Das GLSP mit Rüstzeiten (GLSPST),g S-cone contrast sensitivity vs. retinal illuminance rather than stimulus luminance, indicating that much of the variability was due to differences in pupil size. Each patient’s data were fit with a threshold versus retinal illuminance (TVR) function. The TVR analysis suggested that additional vari作者: 繁殖 時(shí)間: 2025-3-29 07:14 作者: 新鮮 時(shí)間: 2025-3-29 12:42 作者: pulmonary 時(shí)間: 2025-3-29 18:47 作者: Mettle 時(shí)間: 2025-3-29 23:24 作者: COLIC 時(shí)間: 2025-3-30 03:30 作者: 可行 時(shí)間: 2025-3-30 07:26 作者: BARGE 時(shí)間: 2025-3-30 08:53
S-cone contrast sensitivity in glaucoma as a function of mean luminanceg S-cone contrast sensitivity vs. retinal illuminance rather than stimulus luminance, indicating that much of the variability was due to differences in pupil size. Each patient’s data were fit with a threshold versus retinal illuminance (TVR) function. The TVR analysis suggested that additional vari作者: Indecisive 時(shí)間: 2025-3-30 12:27 作者: 無(wú)瑕疵 時(shí)間: 2025-3-30 19:33 作者: Nonthreatening 時(shí)間: 2025-3-31 00:05 作者: Original 時(shí)間: 2025-3-31 02:18
https://doi.org/10.1007/978-3-322-86221-1e, however, impaired but other visual response characteristics, including lightness discrimination, velocity discrimination, stereoscopic fusion and binocular rivalry are normal. He does, however, suffer from two neurological conditions, prosopagnosia and topographical agnosia, commonly found in association with cerebral achromatopsia.作者: Arb853 時(shí)間: 2025-3-31 08:29