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Diplopia. Diplopia. Other names. Double vision. One way a person might experience double vision. Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [ 1] Also called double vision, it is a loss of visual focus ...
Ophthalmology. In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images ...
The signs and symptoms of multiple sclerosis (MS) encompass a wide range of neurological and physical manifestations, including vision problems, muscle weakness, coordination difficulties, and cognitive impairment, varying significantly in severity and progression among individuals. Multiple sclerosis can cause a variety of symptoms: changes in ...
A near-death experience ( NDE) is a profound personal experience associated with death or impending death, which researchers describe as having similar characteristics. When positive, which the great majority are, [ 1] such experiences may encompass a variety of sensations including detachment from the body, feelings of levitation, total ...
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
Thanatology is the scientific study of death and the losses brought about as a result. It investigates the mechanisms and forensic aspects of death, such as bodily changes that accompany death and the postmortem period, as well as wider psychological and social aspects related to death. It is primarily an interdisciplinary study offered as a ...
Post-mortem photography is the practice of photographing the recently deceased. Various cultures use and have used this practice, though the best-studied area of post-mortem photography is that of Europe and America. [ 1] There can be considerable dispute as to whether individual early photographs actually show a dead person or not, often ...
The human skull is an obvious and frequent symbol of death, found in many cultures and religious traditions. [ 1] Human skeletons and sometimes non-human animal skeletons and skulls can also be used as blunt images of death; the traditional figures of the Grim Reaper – a black-hooded skeleton with a scythe – is one use of such symbolism. [ 2]