Pilotenausbildung "Human Performance - Eye"

The part of the eye that bends the light the most is:

If runway slopes downwards, what is a pilot is likely to do:

A sloping cloud formation, an obscured horizon and a dark scene spread with ground lights and stars can create an illusion

known as:

Suppose you make an approach to a runway which is narrower than standard. Which of the following errors are you likely to commit?