Kowa VX-10a, Instruction Manual, Page: 29 / 64

3. Basic photography
Non-my
dria
tic photog
ra
phy
3
-2
P3-3
5) Checking the pupil’s diameter.
Insert dioptric lens for anterior segment by Anterior segment select button.
Pull the fundus camera toward you as closely as the anterior area of the eye is almost seen.
For adjustment, move the fundus camera backward and forward to align the periphery of the patient’s iris
to the monitor’s vertical line.
Check the pupil for diameter.
After checking the pupil’s diameter, remove diopter lens for anterior segment by Anterior segment select
button.
5) – Anterior segment select
button. 5) – Pull the base toward you. 5) – Set the position. 5) – Check pupil’s diameter.
FA
Color
Blue
Eye
Check the examined eye’s pupil for dilation and compensate the flash intensity if needed.
Pupil sufficiently dilated
Pupil’s slightly
insufficiently dilated
Pupil’s insufficiently
dilated
Photography enabled at
flash intensity of 0
Correct the flash intensity
in a range of +1 to +3 be-
fore starting photography. Insufficiently dilated. Pho-
tography with uniform ex-
posure disabled
• If the pupil is insufficiently dilated, take longer time to acclimate the examined eye to darkness and let it
dilate spontaneously.
• If the pupil is still insufficiently dilated even by the above method, switch to mydriatic photography mode.
• The above conditions may not be applicable to some patients.