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Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
In many cases, frequent computer users develop computer vision syndrome, which is a degenerative eye problem which can result in severely reduced eyesight , blurred vision, overall eye tiredness and even glaucoma. Computer Eye Syndrome is an umbrella term for many problems but the causes of these problems can be easily identified.
Eye strain, also known as asthenopia (from astheno- 'loss of strength' and -opia 'relating to the eyes'), is a common eye condition that manifests through non-specific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and occasional double vision. [1]
Complex regional pain syndrome; Computer vision syndrome; Conductive deafness-ptosis-skeletal anomalies syndrome; Congenital bilateral perisylvian syndrome; Congenital contractural arachnodactyly; Congenital generalized lipodystrophy; Congenital insensitivity to pain; Congenital myasthenic syndrome; Congenital nephrotic syndrome; Congenital ...
Palinopsia (Greek: palin for "again" and opsia for "seeing") is the persistent recurrence of a visual image after the stimulus has been removed. [1] Palinopsia is not a diagnosis; it is a diverse group of pathological visual symptoms with a wide variety of causes.
For example, If a person's TBUT is 15 seconds which is thought to be normal and his blink interval is 20 seconds, here TBUT is less than IBI, so ocular protection index will be less than 1.0 and is abnormal. Since computer use affect blink rate, OPI is a clinically relevant in detecting dryness related to computer vision syndrome. [11]
Simultanagnosia (or simultagnosia) is a rare neurological disorder characterized by the inability of an individual to visually perceive more than a single object at a time. . This type of visual attention problem is one of three major components (the others being optic ataxia and optic apraxia) of Bálint's syndrome, an uncommon and incompletely understood variety of severe neuropsychological ...
One of the most prominent application fields is medical computer vision, or medical image processing, characterized by the extraction of information from image data to diagnose a patient. An example of this is the detection of tumours , arteriosclerosis or other malign changes, and a variety of dental pathologies; measurements of organ ...