The importance of good eyesight- paul-ryan.info
Download

The top picture shows the view from behind the wheel of a person with average eyesight. Everything is clear, and peripheral vision is adequate. The centre picture shows the effect of long-sightedness, with the foreground blurred and the distant objects in focus. Short-sightedness is even worse, as is illustrated by the bottom picture. Everything ahead of you is dangerously blurred.

Appears in

Observation

To be an advanced driver you need to become a skilled observer. Good powers of observation, which...

автополив

https://biceps-ua.com/

читать далее ailavita.com.ua