squint
US /skwɪnt/
UK /skwɪnt/

1.
2.
(of an eye) look obliquely or abnormally in a different direction from the other
:
•
One of his eyes tends to squint slightly.
•
The doctor checked if her eyes would squint.
1.
2.
a condition in which a person's eyes do not align properly with each other when looking at an object; strabismus
:
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He was born with a slight squint.
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Surgery can correct a severe squint.