Trend Window

Button in the Series Window
Keys: CTRL + ENTER (only active in the Series Window)
Menu: View > Trend

This windows shows the time course and several statistical trend analysis that allow to detect the progression or recovery of a visual field alteration.   ESC closes the window.

Selection of examinations

The examination with the red frame in the Series Window is the basis for the automated selection of compatible examinations. Compatible means matching test point patterns. Also other parameters must be equal. All examinations have to be measured with threshold strategy.

The perimeter group must be equal as well. A perimeter group comprises all instrument types of the same manufacturer. The mixing of perimeter groups of different manufacturers can be allowed by a setting in the Menu Extra > Options > Tab Display)

All automatically selected exams appear in the trend selection window on the right side. In this window, additional manual selections can be made.

Image types

The Image type can be changed in the Image menu. It is easier with buttons. Click on a button for more information. It is quicker with hotkeys (character below the button)


B

P

S

D

i

T

G

+

N

F

 

Help for image types ("Image Help")

 

CLICK onto a single image in the window to get special information about this image type. Image help can also be started with the context menu (RIGHT mouse button).

Other functions

[F1]  shows Help about the current window

[CTRL + P]  start a printout

Save the current Image Type as favorite option

[CTRL and + ]  zoom in by steps of 5 degree

[CTRL and - ]  zoom out by steps of 5 degree

Switch on and off the color distinction (two normal colors) for the normal range

Exclude unreliable examinations from the trend analysis. The automatic classification is based on the trial error rate and the learning effect analysis. more info

Include all examinations into the trend analysis. Automatic and manual exclusions are neutralized. more info