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Pelopsia
Pelopsia, a facet of Alice in Wonderland Syndrome (AIWS), is a vision perception disorder in which objects appear nearer than they actually are. Objects may also appear to be coming closer when they are not. Pelopsia and other conditions that fall under AIWS are usually temporary, which may justify the lack of research done on this subject. Pelopsia can be caused by psychoneurotic phenomena, changes in atmospheric clarity, or sometimes by wearing a corrective lens. AIWS is most common in children, with them accounting for 2/3 of documented cases. The most common way to treat this disorder is by treating its underlying cause. See also * Teleopsia * Vision deficiencies and disorders *Alice in Wonderland syndrome Alice in Wonderland Syndrome (AIWS), also known as Todd's Syndrome or Dysmetropsia, is a neurological disorder that distorts perception. People with this syndrome may experience distortions in their visual perception of objects, such as appear ... References Further ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alice In Wonderland Syndrome
Alice in Wonderland Syndrome (AIWS), also known as Todd's Syndrome or Dysmetropsia, is a neurological disorder that distorts perception. People with this syndrome may experience distortions in their visual perception of objects, such as appearing smaller ( micropsia) or larger (macropsia), or appearing to be closer ( pelopsia) or farther ( teleopsia) than they are. Distortion may also occur for senses other than vision. The cause of Alice in Wonderland Syndrome is currently not known, but it has often been associated with migraines, head trauma, or viral encephalitis caused by Epstein–Barr Virus Infection. It is also theorized that AIWS can be caused by abnormal amounts of electrical activity, resulting in abnormal blood flow in the parts of the brain that process visual perception and texture. Alice in Wonderland Syndrome is also possible to be experienced temporarily under the use of certain psychoactive drugs. Although there are cases of Alice in Wonderland Syndrome i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teleopsia
Teleopsia is a vision perception disorder, in which objects appear much further away than they are. Teleopsia is a disorder associated with dysmetropsia. See also *Pelopsia Pelopsia, a facet of Alice in Wonderland Syndrome (AIWS), is a vision perception disorder in which objects appear nearer than they actually are. Objects may also appear to be coming closer when they are not. Pelopsia and other conditions that fall u ... References Eye diseases Visual disturbances and blindness {{eye-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alice In Wonderland Syndrome
Alice in Wonderland Syndrome (AIWS), also known as Todd's Syndrome or Dysmetropsia, is a neurological disorder that distorts perception. People with this syndrome may experience distortions in their visual perception of objects, such as appearing smaller ( micropsia) or larger (macropsia), or appearing to be closer ( pelopsia) or farther ( teleopsia) than they are. Distortion may also occur for senses other than vision. The cause of Alice in Wonderland Syndrome is currently not known, but it has often been associated with migraines, head trauma, or viral encephalitis caused by Epstein–Barr Virus Infection. It is also theorized that AIWS can be caused by abnormal amounts of electrical activity, resulting in abnormal blood flow in the parts of the brain that process visual perception and texture. Alice in Wonderland Syndrome is also possible to be experienced temporarily under the use of certain psychoactive drugs. Although there are cases of Alice in Wonderland Syndrome i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Psychoneurotic
Neurosis (: neuroses) is a term mainly used today by followers of Freudian thinking to describe mental disorders caused by past anxiety, often that has been repressed. In recent history, the term has been used to refer to anxiety-related conditions more generally. The term "neurosis" is no longer used in condition names or categories by the World Health Organization's ''International Classification of Diseases'' (ICD) or the American Psychiatric Association's ''Diagnostic and Statistical Manual of Mental Disorders'' (DSM). According to the ''American Heritage Medical Dictionary'' of 2007, the term is "no longer used in psychiatric diagnosis". Neurosis is distinguished from ''psychosis'', which refers to a loss of touch with reality. Its descendant term, ''neuroticism'', refers to a personality trait of being prone to anxiousness and mental collapse. The term "neuroticism" is also no longer used for DSM or ICD conditions; however, it is a common name for one of the Big Five p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corrective Lens
A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses are surgically implanted most commonly after cataract removal but can be used for purely refractive purposes. Prescription of corrective lenses Corrective lenses are typically prescribed by an ophthalmologist or an optometrist. The prescription consists of all the specifications necessary to make the lens. Prescriptions typically include the power specifications of each lens (for each eye). Strengths are generally prescribed in quarter- diopter steps (0.25 D), because most people cannot generally distinguish between smaller increments (e.g., eighth-diopter steps / 0.125 D). The use of improper corr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Visual Perception
Visual perception is the ability to detect light and use it to form an image of the surrounding Biophysical environment, environment. Photodetection without image formation is classified as ''light sensing''. In most vertebrates, visual perception can be enabled by photopic vision (daytime vision) or scotopic vision (night vision), with most vertebrates having both. Visual perception detects light (photons) in the visible spectrum reflected by objects in the environment or emitted by light sources. The light, visible range of light is defined by what is readily perceptible to humans, though the visual perception of non-humans often extends beyond the visual spectrum. The resulting perception is also known as vision, sight, or eyesight (adjectives ''visual'', ''optical'', and ''ocular'', respectively). The various physiological components involved in vision are referred to collectively as the visual system, and are the focus of much research in linguistics, psychology, cognitive s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eye Diseases
This is a partial list of human eye diseases and disorders. The World Health Organization (WHO) publishes a classification of known diseases and injuries, the International Statistical Classification of Diseases and Related Health Problems, or ICD-10. This list uses that classification. H00-H06 Disorders of eyelid, lacrimal system and orbit * (H02.1) Ectropion * (H02.2) Lagophthalmos * (H02.3) Blepharochalasis * (H02.4) Ptosis (eyelid), Ptosis * (H02.5) Stye, an acne type infection of the sebaceous glands on or near the eyelid. * (H02.6) Xanthelasma of eyelid * (H03.0*) Parasitic infestation of eyelid in diseases classified elsewhere ** Dermatitis of eyelid due to Demodex species ( B88.0+ ) ** Parasitic infestation of eyelid in: *** leishmaniasis ( B55.-+ ) *** loiasis ( B74.3+ ) *** onchocerciasis ( B73+ ) *** phthiriasis ( B85.3+ ) * (H03.1*) Involvement of eyelid in other infectious diseases classified elsewhere ** Involvement of eyelid in: *** herpesviral (herpes simplex) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
