focalise

verb

1. 1

   put (an image) into focus

   Please focus the image; we cannot enjoy the movie

2. 2

   become focussed or come into focus

   The light focused

3. 3

   bring into focus or alignment; to converge or cause to converge; of ideas or emotions

4. 4

   concentrate on a particular place or spot

   The infection has localized in the left eye