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8 H46-H48 Disorders of optic nerve and visual pathways 9 H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction 10 H53-H54.9 Visual disturbances and blindness
Generally, diseases outlined within the ICD-10 codes H46-H48 within Chapter VII: Diseases of the eye, adnexa should be included in this category. Pages in category "Disorders of optic nerve and visual pathways"
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
The number of people globally with refractive errors that have not been corrected was estimated at 660 million (10 per 100 people) in 2013. [9] Refractive errors are the first common cause of visual impairment and second most common cause of visual loss . [47]
Contact lenses can provide a wider field of vision and fewer artifacts than even double aspheric lenses. [1] Refractive surgery aims to permanently change the shape of the eye and thereby cure astigmatism. [1] In Europe and Asia, astigmatism affects between 30% and 60% of adults. [4] People of all ages can be affected by astigmatism. [1]
Heterophoria is the misalignment of the visual axis such that one or both eyes are not properly fixated to an object of interest. When the visual axis is misaligned in such a way, it is corrected by the fusional vergence system.
ICD-9-CM: Volumes 1 and 2 only. Volume 3 contains Procedure codes: ICD-10: The international standard since about 1998 ICPC-2: Also includes reasons for encounter (RFE), procedure codes and process of care International Classification of Sleep Disorders: NANDA: Diagnostic and Statistical Manual of Mental Disorders: Primarily psychiatric disorders
In medicine, not otherwise specified (NOS) is a subcategory in systems of disease/disorder classification such as ICD-9, ICD-10, or DSM-IV.It is generally used to note the presence of an illness where the symptoms presented were sufficient to make a general diagnosis, but where a specific diagnosis was not made.