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  Zeiss IOLMaster®
Online Users Instruction Manual V.4
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IOL Power Calculations IOL Power Calculations
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Lens Constants Lens Constants
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IOLMaster Manual V.5 Cataract Surgery Arizona
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Anterior Chamber Depth
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IOLMaster — Anterior Chamber Depth

Fixation Point in Crystalline Lens Image

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Anterior Chamber Depth Errors IOLMaster

If the image is laterally misaligned, it may happen that the image of the fixation point is lying within the lens image.

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Position the IOLMaster so that the fixation point lies between the images of crystalline lens and cornea. Then, repeat the measurement.


Reflections in Corneal Image

Cataract Surgery Arizona

Anterior Chamber Depth Errors IOLMaster

The lateral adjustment of the IOLMaster is not correct. In the corneal image slit illumination reflections can be seen and the fixation point lies within the lens image.

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Adjust the IOLMaster laterally until the corneal image is undisturbed. As a rule, the fixation point will then be between the image of the anterior lens and that of the cornea. Repeat the measurement.


IOLMaster Help

Zeiss IOLMaster® Tutorial Version 4

Zeiss IOLMaster®

Optical Biometry

Intraocular Lens Power Calculations

East Valley Ophthalmology
5620 East Broadway Road
Mesa, Arizona 85206

Tel: +1-480-981-6111
FAX: +1-480-985-2426

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