gaze and/or strabismus.
[orpha.net]
Estopia is also known as dysconjugate gaze, and is a common feature of severe static encephalopathy.
[en.wikipedia.org]
[…] and that presents with hypotonia, developmental delay, moderate to severe intellectual disability, pyramidal signs, epileptic seizures, non progressive cerebellar ataxia, dysconjugate
[orpha.net]