With partially closed eyes for better focus.

In a way that indicates suspicion or doubt.

As if looking at something with difficulty.

While peering to see more clearly in light.

To look at something with narrowed eyes.

To glance sideways or furtively; to peep.

To struggle to see clearly due to brightness.

To squint one's eyes in disbelief or skepticism.

To focus on an object that is far away, straining vision.