The MultiSpot software consists of two main windows: Measurement
Window and Report Window.
is divided into 4 parts:
Shows the raw image from the Shack-Hartman sensor and is used
for controlling the device position.
Is used for alignment purposes. The green circle shows the pupil
location determined from the hartmannogramm.
Permits inputting patients' data, running and stopping the
procedure, controlling the measurement process and compensators
Shows in real time the wavefront of the laser radiation outgoing
from the patient's eye. Is used to control the measurement
procedure and compensators operation.
In the Report Window, series of up to 600 successive
measurements can be analyzed. The user can average the series
data, manually excluding undesirable events, such as winking,
The information is displayed both graphically and digitally.
Wavefront map, optical power, point spread function (PSF), and
wavefront measurement error are displayed graphically. In
addition, patient's visual acuity can be estimated using the
The Zernike polynomial coefficients are presented in microns. 36
Zernike polynomials are taken into consideration. The user can
choose the desired number of aberrations to display, using a
In the patients' data window, the following information is
Patient # -
- left or right eye (OS or OD)
measurement time from the start of the procedure
- cylinder axis
- wavefront PV (peak-to-valley) error
- wavefront root-mean-square error
- the input pupil diameter
- the operators' comments