He strained to see what the color guard was doing way ahead.

He ran one step after another, eyes straining to see ahead.

The neighbors would have to strain to see any movement.

The people in the scene were straining to see what was about to happen.

I strained to see the girl's face a little better.

He strained to see me again, finally found my eyes.

I strained to see through the trees toward the east.

She turned, straining to see where his voice was coming from.

I strained to see, but the image was gone before my eyes could focus.

He wasn't sure what it was yet; his eyes strained to see in the dark.