The camera obscura was known about in Roman times, but photography was a long way off. The most lifelike depictions of people then were statues. This bust of Julius Caesar was probably made a decade or two after his assassination in 44BCE, and was most likely painted, including the eyes. The paint has long since disappeared, giving this and other sculptures a blank look.
As well as giving Caesar his eyes back, I’ve added what I hope is a more realistic hair texture, which would have been difficult to do in stone. The face is all the work of the sculptor though, and I’ve just added the colour.