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Performing Measurements How to Set the Eye Type
How to Set the
Eye Type
When the Accutome A-Scan Plus is set up at the factory,
it is equipped with predefined eye types and specific
velocities for the predefined eye types. Descriptions of
the factory installed eye types and their characteristics
are given below, followed by instructions on modifying
eye types on a per patient basis.
Eye Types
The following eye types are preset at the factory:
Phakic - Setting for most patients.
Silicone Filled - Phakic eye with Silicone Oil in
the Vitreous.
Dense Cataract - Use this setting when a
dense cataract prevents measurement of lens
thickness.
Aphakic - Patient with no lens, lens is not
measured or assumed.
Pseudo PMMA - Patient with Pseudophakic
PMMA IOL
Pseudo Silicone - Patient with Pseudophakic
Silicone IOL
Pseudo Acrylic - Patient with Pseudophakic
Acrylic IOL
*Note: All eye types, including Aphakic, have an assumed
cornea of 0.55 mm at a velocity of 1641 m/sec. This
assumption is included in the ACD measurment.
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