Stereoblindness
Stereoblindness
Stereoblindness (pronunciation: /ˈstɛriːoʊˌblaɪndnɪs/), also known as two-dimensional vision, is a condition where a person is unable to perceive depth correctly in their visual field due to the lack of stereopsis.
Etymology
The term "stereoblindness" is derived from the Greek words "stereos" meaning solid, and "blindness" meaning the state or condition of being unable to see.
Definition
Stereoblindness is a condition characterized by the inability to perceive depth correctly. This is due to the lack of stereopsis, the visual perception of depth and 3-dimensional structure obtained on the basis of visual information deriving from two eyes by individuals with normally developed binocular vision.
Causes
Stereoblindness can be caused by a variety of factors, including strabismus (misalignment of the eyes), amblyopia (lazy eye), and certain types of vision impairment. It can also be a result of damage to the brain or nervous system.
Symptoms
People with stereoblindness may have difficulty with tasks that require depth perception, such as catching a ball, driving, or navigating through a crowded room. They may also have trouble perceiving the depth or distance of objects, making it difficult to judge how far away or close they are.
Treatment
Treatment for stereoblindness typically involves addressing the underlying cause. This may include vision therapy, surgery to correct eye alignment, or the use of corrective lenses.
Related Terms
External links
- Medical encyclopedia article on Stereoblindness
- Wikipedia's article - Stereoblindness
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