Ocular dysmetria is a form of
dysmetria
Dysmetria ( en, wrong length) is a lack of coordination of movement typified by the undershoot or overshoot of intended position with the hand, arm, leg, or eye. It is a type of ataxia. It can also include an inability to judge distance or scale.
...
that involves the constant under- or over-shooting of the eyes when attempting to focus gaze on something.
Ocular dysmetria indicates
lesions
A lesion is any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma. ''Lesion'' is derived from the Latin "injury". Lesions may occur in plants as well as animals.
Types
There is no designated classif ...
in the
cerebellum
The cerebellum (Latin for "little brain") is a major feature of the hindbrain of all vertebrates. Although usually smaller than the cerebrum, in some animals such as the mormyrid fishes it may be as large as or even larger. In humans, the cere ...
, which is the brain region responsible for coordinating movement. It is a symptom of several neurological conditions including
multiple sclerosis.
It is a condition that can cause symptoms similar to
sea sickness.
References
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Medical signs