Hypertelorism is not just a disorder in itself but also a symptom of other diseases. So I think that all parents need to watch out for this because it could end up being linked to a more serious condition that's also life threatening.
I have a cousin who has von Recklinghausen disease (aka neurofibromatosis). It's a really serious disorder that causes tumors in nerve tissues. His parents found out about it when they took him to the doctor at the first sign of hypertelorism. He is under treatment now and seems to be doing well. He has developed one tumor, but thankfully it was benign.
If his parents hadn't noticed and taken the hypertelorism seriously, they might not have found out that he has neurofibromatosis so soon. I don't even want to think about what may have happened then. So, hypertelorism is definitely a disorder that needs to be taken seriously.