Then you need to be extremely close. Much closer than you could comfortably keep any body part. Remember the sunlight is 1000W / m^2 and it contains much more blue light than incandescent. You would not want to stare into incandescent, for such use you need pure red light.
Incandescent 250W is at most able to output something like 25-50W in radiation and of that 12.5W in visible light.
Incandescent 250W is at most able to output something like 25-50W in radiation and of that 12.5W in visible light.