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4 Other functions
4.2 Small pupil photography
This section describes how to photograph patients with a small pupil diameter.
While this method allows you to photograph patients with a small pupil diameter, there are such disadvan-
tages as smaller eld angles or easier occurrence of a are.
Press the “S.P. button” on the right side panel to change the pupil diameter that can be photographed.
The pupil diameter that can be photographed under each photography mode is shown below.
Photography mode Standard S.P. S.S.P
Mydriatic color Φ5.5 mm Φ4.0 mm Φ3.5 mm
Red Free Φ4.0 mm × ×
FA Φ5.5 mm Φ4.0 mm Φ3.5 mm
Non-mydriatic color Φ4.0 mm Φ3.5 mm ×
FAF (Non-mydriatic monitoring) Φ4.0 mm Φ3.5 mm ×
FAF (Mydriatic monitoring) Φ5.5 mm Φ4.0 mm Φ3.5 mm
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pupil of the diameter shown in the table or larger may be photographed.
Two levels of the S.P. mode is available for mydriatic color photography, uorescence angiography, and
mydriatic monitoring in FAF.
The S.P. button on the right side panel is indicated as shown below:
Normal pupil diameter : Off
S.P. : Lit
S.S.P. : Flashing