ALADDIN
- User manual
Rev. 23 of 08/07/2016
57
membrane and the pigmented epithelium. The displayed axial length values are thus directly comparable to
those obtained by immersion ultrasound, and no re-calculation or correction factors are necessary.
Deviations may nevertheless occur between the displayed axial lengths and ultrasonic readings (particularly
in the applanation procedure).
By selecting this mode, the acquisition environment shown in Figure 36 appears.
Figure 36
The side columns show the measurements performed for the two eyes (OD = right, OS = left).
For each acquisition, six measurements of the axial length are performed.
The information displayed is the same as in “K-AL-ACD” acquisition.
13.7
Acquisition of the anterior chamber measurement (ACD)
The anterior chamber depth may only be measured on phakic eyes! ACD measurements of
pseudophakic eyes result in measuring errors and/or incorrect readings. The readings for pseudophakic
eyes do not reflect the anterior chamber depth.
The keratometer measurement must be performed before anterior chamber depth measurement.
Caution should be practised when using the device’s ACD measurement for any given intraocular lens
calculation because of the high variability of this measurement.
The ACD measurement is the distance between corneal epithelium and the crystalline lens surface.
Fine adjust the device, so that:
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