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Blindspot is an American crime drama television series, created by Martin Gero, about a mysterious, heavily tattooed woman with no recollection of her past or identity. [1] [2] It stars Sullivan Stapleton and Jaimie Alexander.
Distribution of rods and cones along a line passing through the fovea and the blind spot of a human eye [1]. A blind spot, scotoma, is an obscuration of the visual field.A particular blind spot known as the physiological blind spot, "blind point", or punctum caecum in medical literature, is the place in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the ...
The Amsler grid, used since 1945, is a grid of horizontal and vertical lines used to monitor a person's central visual field.The grid was developed by Marc Amsler, a Swiss ophthalmologist.
A scotoma may include and enlarge the normal blind spot. Even a small scotoma that happens to affect central or macular vision will produce a severe visual disability, whereas a large scotoma in the more peripheral part of a visual field may go unnoticed by the bearer because of the normal reduced optical resolution in the peripheral visual field.
Location of Bjerrum's area, and common types of scotomas. Bjerrums area is marked with a dotted blue line at 25 degrees.. Bjerrum's area is the central 25° of the visual field from the fixation point, popularized scientifically by the Danish ophthalmologist Jannik Petersen Bjerrum.
[27] [4] [28] [dubious – discuss] The blind spot is at about 15.5° in the outside direction (e.g. in the left visual field for the left eye). [29] The grain of a photographic mosaic has just as limited resolving power as the "grain" of the retinal mosaic. To see detail, two sets of receptors must be intervened by a middle set.
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