Search results
Results from the WOW.Com Content Network
Convergence insufficiency. Convergence Insufficiency. Other names. Convergence disorder. Specialty. Ophthalmology, optometry. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence .
This is a shortened version of the fifth chapter of the ICD-9: Mental Disorders. It covers ICD codes 290 to 319. The full chapter can be found on pages 177 to 213 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
Definition. The National Institute of Neurological Disorders and Stroke defines reading disability or dyslexia as follows: "Dyslexia is a brain-based type of learning disability that specifically impairs a person's ability to read. These individuals typically read at levels significantly lower than expected despite having normal intelligence.
Oscillopsia is a visual disturbance in which objects in the visual field appear to oscillate. The severity of the effect may range from a mild blurring to rapid and periodic jumping. [1] Oscillopsia is an incapacitating condition experienced by many patients with neurological disorders. [2] It may be the result of ocular instability occurring ...
Dyslexia. Dyslexia is a common language-based learning disability. Dyslexia can affect reading fluency, decoding, reading comprehension, recall, writing, spelling, and sometimes speech and can exist along with other related disorders. The greatest difficult those with the disorder have is with spoken and the written word.
Dyslexia is a reading disorder wherein an individual experiences trouble with reading. Individuals with dyslexia have normal levels of intelligence but can exhibit difficulties with spelling, reading fluency, pronunciation, "sounding out" words, writing out words, and reading comprehension. The neurological nature and underlying causes of ...
300.9 Unspecified mental disorder (nonpsychotic) V71.09 No diagnosis or condition on Axis I; 799.9 Diagnosis or condition deferred on Axis I; V71.09 No diagnosis on Axis II; 799.9 Diagnosis deferred on Axis II; See also. Classification of mental disorders; Clinical coder; DSM-5#Changes from DSM-IV; List of ICD-9 codes 290–319: mental disorders
One and a half syndrome. The one and a half syndrome is a rare weakness in eye movement affecting both eyes, in which one cannot move laterally at all, and the other can move only in outward direction. More formally, it is characterized by " a conjugate horizontal gaze palsy in one direction and an internuclear ophthalmoplegia in the other ".