squinted

Example:She peered at the bird perched on the branch with her one eye.

Definition:to look at with care and attention, often with a squint

Example:The child gazed into the distance, squinting against the sunlight.

Definition:to look fixedly, often with a squint

Example:He glanced at the approaching car, squinting as he tried to judge the speed.

Definition:to look quickly or momentarily, possibly squinting