In (the!) OLAD, it is written:
sb can (not) help (doing) sth = used to say that it is impossible to prevent or avoid sth.
If we use "cannot help" the mean of a sentence change, like:
I cannot help shutting my eye= I am coerced to shut my eye.
According to OALD, I think the above equivalent is right. But What if we don't exercise "not" right after "can"? For example, What is the tantamount sentence below?
I can help shutting my eyes =?