YDS CÜMLE ATMA / TEST 5 25. Soru

25.

(I) The eye must have adequate light to
perform visual tasks without fatigue. (II) thus,
precise mathematical relationships exist
between' visual function and the amount of
light. (III)Similarly, a shade or globe should be
used to diffuse the light, so that the light source
is not visible. (IV)Poor lighting causes
eyestrain, which is really fatigue of the
voluntary muscles concerned with vision.
(V)Lighting, on the other hand, that is too
bright causes glare owing to the intensity of the
light source being much greater than the
surroundings.