[00crashtest (OP)]

How many degrees upwards/altitudinal can Caucasoids (Indians and Caucasians) with extremely deep-set eyes and prominent brow ridges see when looking forward without raising their eyebrows?

[Bored chemist]

I can see over  the top of my glasses.
Beyond that doesn't matter much because it's out of focus.

[Colin2B]

This was discussed in a thread started by you https://www.thenakedscientists.com/forum/index.php?topic=73558.msg545444#msg545444

Why are you starting a new thread?