Hi, i feel sorry to heard that. You shall try to get out of these sawdust in your eyes by clean water or eye drops. Anyway, It usually not cause deep damages and it won't casue blindness. so, don't worry, But you shall take care of your eyes in case some eye infection complications.
It is not dangerious for the eyes to get sawdust. But your will feel uncomfortable in the eyes. Also, you shall try to use a lots of eye drops to flush sawdust out the eyes. It is Ok and you won't blind as long as you take care of your eyes. Hope you will be recovery soon.