Look around and take a note of the following key point
How is entire space lit?
Does it feel pleasant and spacious?
Do walls look bright enough?
Any dark spots?
Any lighting controls installed?
If so, are users satisfied?
Enough light on desks to minimize eyestrain?
Disturbing screen glare due to lighting , according to users ?
Are low glare luminaires used (UGR ≤ 19)?
Step 2.1: Check the current lighting