| 单词 | fovea |
| 例句 | A Gulf & Western infrared Eye-View Monitor was set up just off to the left, carefully calibrated to track the fovea movements of each subject. The Tipping Point 2000-01-01T00:00:00Z That’s why we move our eyes when we read: we can’t pick up much information about the shape, or the color, or the structure of words unless we focus our fovea directly on them. The Tipping Point 2000-01-01T00:00:00Z To get a clear view of the world, the brain must turn the eyes so that the image of the object of regard falls on the fovea. Fundamentals of Biology 2015-01-01T00:00:00Z Cones are most concentrated in the fovea, the central region of the retina. College Physics for AP Courses 2015-08-12T00:00:00Z The main function of the lens is to focus light on the retina and fovea centralis. Biology for AP Courses 2022-06-09T00:00:00Z The center of the retina has a small indentation known as the fovea. Anatomy and Physiology 2013-06-19T00:00:00Z It was one of the arteries supplying blood to the fovea, the part of the retina providing the clearest vision. Suddenly the Man Couldn’t See. Was His Chest Pain Connected? 2021-02-04T05:00:00Z That’s because cones are packed most tightly in the very center of your retina, in a small area called the ‘fovea.’ You’ve Got a Blind Spot at Nighttime 2019-04-27T04:00:00Z The fovea is at the center of the macula, a 5 mm diameter region responsible for our central vision. College Physics for AP Courses 2015-08-12T00:00:00Z The fovea has a high density of cones. Biology for AP Courses 2022-06-09T00:00:00Z However, at the exact center of the retina is a small area known as the fovea. Anatomy and Physiology 2013-06-19T00:00:00Z Those piercing eyes are much like yours, equipped with 3-D vision and a fovea — a centralized concentration of light receptors — the better to focus and track. Birds Beware: The Praying Mantis Wants Your Brain 2017-09-22T04:00:00Z Whatever region of visual space you point your fovea towards, you see in highest detail. You’ve Got a Blind Spot at Nighttime 2019-04-27T04:00:00Z The damage occurs in the fovea, a spot in the retina that is responsible for sharp, central vision. Science Says Why We Can't Look at the Sun 2017-07-07T04:00:00Z When you bring your gaze to an object to examine it intently in bright light, the eyes orient so that the object’s image falls on the fovea. Biology for AP Courses 2022-06-09T00:00:00Z At the fovea, the retina lacks the supporting cells and blood vessels, and only contains photoreceptors. Anatomy and Physiology 2013-06-19T00:00:00Z The "fovea", a patch of tightly packed receptors that delivers sharp vision, forms a horizontal streak instead of the usual circular spot. Crocodile eyes are fine-tuned for lurking - BBC News 2016-05-04T04:00:00Z They asked whether quiet eye changes how a target looks: objects seen in the center of the eye, called the fovea, appear larger than those seen in peripheral vision. Olympics: Mind games of the victorious 2012-07-22T14:07:48Z The fine details of wood grain and other textures are visible only up close, when they fall directly on our fovea, the central region of each of our retinas where photoreceptor density is highest. Urban Illusions 2012-04-09T22:45:00.233Z Cones are found in the fovea, the central region of the retina, whereas rods are found in the peripheral regions of the retina. Biology for AP Courses 2022-06-09T00:00:00Z Therefore, visual acuity, or the sharpness of vision, is greatest at the fovea. Anatomy and Physiology 2013-06-19T00:00:00Z The fovea is a dent in the retina, containing a huge concentration of receptor cells. Crocodile eyes are fine-tuned for lurking - BBC News 2016-05-04T04:00:00Z The fovea centralis of the human retina is the seat of most acute vision, and in the fovea centralis there are no rods. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z This central part is called the fovea centralis and is the point of acutest vision. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z The fovea is the region in the center back of the eye that is responsible for acute vision. Biology for AP Courses 2022-06-09T00:00:00Z The difference in visual acuity between the fovea and peripheral retina is easily evidenced by looking directly at a word in the middle of this paragraph. Anatomy and Physiology 2013-06-19T00:00:00Z "Typically, the fovea is circular and located in the centre of the retina. It provides animals with an area of very high visual clarity, in a small area of their visual environment," Mr Nagloo said. Crocodile eyes are fine-tuned for lurking - BBC News 2016-05-04T04:00:00Z This finally results in a highly organized central spot or fovea which is possessed only by man and the higher monkeys. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Therefore the area in the squinting eye that corresponds to the fovea centralis of the fixing eye must be more extensive in the horizontal than in the vertical direction. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z In humans, cones far outnumber rods in the fovea. Biology for AP Courses 2022-06-09T00:00:00Z The visual stimulus in the middle of the field of view falls on the fovea and is in the sharpest focus. Anatomy and Physiology 2013-06-19T00:00:00Z "It is going to the fovea, the center of the retina," Bovino said. Eye damage adds to fears about lasers 2011-03-01T04:20:39Z He has stated that the part of the figure whose image lies near the fovea is estimated as nearer than those portions in the peripheral regions of the visual field. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z It is exactly that line which joins the point fixed with the centre of the fovea centralis. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z “It is going to the fovea, the center of the retina,” he said. Lasers Rise as Threat to Retinas 2011-02-28T20:15:57Z The head has the fovea capitis for attachment of the ligament of the head of the femur. Anatomy and Physiology 2013-06-19T00:00:00Z By placing the implant where the fovea used to be, the quality of the images was maximized. Steps Towards a Bionic Eye 2011-02-15T14:15:02.307Z As already stated, the central part of the visual field—the fovea upon which we depend for acute vision—contains a yellowish pigmentation, which is responsible for the term “yellow spot.” Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Many birds possess besides this temporal fovea a second fovea nearer the nasal side. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z F is the fovea, or central area of clearest vision. Psychology A Study Of Mental Life For example, in the retina, axons from RGCs in the fovea are located at the center of the optic nerve, where they are surrounded by axons from the more peripheral RGCs. Anatomy and Physiology 2013-06-19T00:00:00Z However, this is actually less of a problem than it might first appear, because all of our detailed vision takes place in a tiny part of the retina, called the fovea. Steps Towards a Bionic Eye 2011-02-15T14:15:02.307Z In the fovea centralis—the point of the retina on the optical axis of the eye—is a slight depression much thinner than the remainder of the retina and this is inhabited chiefly by cones. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Facialium -ia: Diptera; that portion of the face between the lower part of the frontal fissure and the antennal fovea. Explanation of Terms Used in Entomology Another significant fact is that the fovea is of little use in very dim light. Psychology A Study Of Mental Life The fovea capitis is a minor indentation on the medial side of the femoral head that serves as the site of attachment for the ligament of the head of the femur. Anatomy and Physiology 2013-06-19T00:00:00Z Clearly, then, the image of L falls at first a little to the right of the fovea, and continues in indirect vision to the end of the movement. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. When we desire to see an object distinctly we habitually turn the head so that the image of the object falls upon the fovea of each eye. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Antennal fovea: Diptera; a groove or grooves in the middle of the face as though for the lodgment of the antennae; bounded on the sides by the facial ridges. Explanation of Terms Used in Entomology The fovea has no rods and hence is of little use in very faint light. Psychology A Study Of Mental Life Some moths also produce sounds; for instance, the males Theocophora fovea. The Descent of Man A short strip of the retina next the fovea is here stimulated, just the part which in case 2 was not stimulated; and the part which in case 2 was, is here not stimulated. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. It may be quite invisible when the eye is directed toward it, that is, when its image falls upon the rod-free fovea. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z The fovea is the point of distinct focus. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z J., while suppressing an orange disc and retaining a green disc, noticed that 'when off the fovea the whole green disc became bright orange.' Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. It may well occur, then, that in a movement the image happens to fall on the blind-spot and not on the fovea. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. But one may say: The twice-seen portion was in both cases on the fovea; this may have been the conditioning circumstance, and not the fact of being given in the early part of the movement. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. |
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