Lights on a 93 civic hb

First a merry merry christmas to you all!

I've got a question for all off you. I'm an dutch student ho drives a 93
civic since 0.5 year.

I always found that this car hasn't got much light (in the headlights). I
always thought that this problem came from my low experience off night
driving.

That was until my dad thook my car last. He even stepped out of the car
checking iff the lights where on.

He told me this and i said that i had the same problem.
Because it was christmas he went to a local parts dealer for new bulbs that
give more light. They give the advice off first cleaning the reflectors and
the headlight from the inside.

Because i need to take off the "bumper", i thought first asked you guys /
women. Did you ever had this problem, or heard from the fact that headlights
can get dirty from the inside? And how did you solve this problem?

Thanks in advance