squinch verb To squint, contort the eye or face; hence squinch-eyed = squint-eyed.
1941 Hall Coll. Del Rio TN His eyes was squinched up. (Wilford Metcalf) 1968 DARE = to squint, close the eyes partway when looking at the sun (Brasstown NC). 1997 Montgomery Coll. squinch-eyed (known to eight consultants).
[Web3 prob blend of squint and pinch]
Dictionary of Smoky Mountain English
2021 Blind Pig and The Acorn Coll. “Sorry I didn’t see you, I had my eyes all squinched up cause of the sun.”
Over 50 years later squinch is still alive in Brasstown, NC.