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Haag-Streit Eyestar 900 User Manual

Haag-Streit Eyestar 900
25 pages
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1
DEUTSCHENGLISHFRANÇAISITALIANOESPAÑOLNEDERLANDS
PORTUGUÊS
SVENSKA
© HAAG‑STREIT AG, 3098 Koeniz, Switzerland – HS‑Doc. no. 1500.7220686.04020 – 2. Edition / 2021 – 05
INSTRUCTIONS FOR USE
Biometer
EYESTAR 900
¨
2. Edition / 2021 – 05

Table of Contents

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Haag-Streit Eyestar 900 Specifications

General IconGeneral
TypeOptical Biometer
Scan Speed70, 000 A-scans per second
AL Measurement Accuracy± 0.02 mm
Pupil Diameter MeasurementYes
Anterior Chamber Depth (ACD) MeasurementYes
Lens Thickness (LT) MeasurementYes
Corneal Diameter (WTW) MeasurementYes
Corneal PachymetryYes
Data OutputDICOM
Axial Length (AL) Measurement Range14 mm
IOL Calculation FormulasSRK/T, Holladay, Hoffer Q
DisplayTouchscreen
Data ExportUSB
ConnectivityUSB, Ethernet

Summary

Introduction

Intended Purpose

Describes the device's function and the information it obtains.

Safety Information

Areas of Application

Details the device's intended use in professional healthcare facilities.

Patient Population Requirements

Specifies the requirements for patients undergoing examination.

Installation Warnings

Critical warnings regarding proper grounding, electrical connections, and ventilation.

Operation and Environmental Safety

Safety guidelines for operating the device and environmental considerations.

Measurement Plausibility Checks

Emphasizes user's responsibility to check measurement readings for accuracy.

IOL Calculation Support

Explains the device's role in IOL calculation and recommends optimized constants.

Optical Radiation Safety

Warns about eye damage from light and specifies safety standards.

Eyestar 900 Introduction

Operating Principles

Explains the device uses Swept Source OCT and an imaging system.

Device Assembly and Installation

Mains Switch and Power Socket

Details the C 13 socket, mains switch, and power supply requirements.

Operation

Patient Positioning for Measurement

Guides on proper patient positioning for optimal measurement results.

Importance of Fixation Target

Explains the importance of patient fixation on the target for accurate results.

A-Scan Measurement Details

Describes the measurement of the optical path length of the visual axis.

Keratometry Measurement Details

Explains the display of corneal radii and axis of rotation.

Corneal Topography, Elevation, Pachymetry

Lists types of corneal surface information provided by the device.

WTW, Pupillometry, Visual Axis Measurement

Details how WTW and pupil diameter are measured.

Commissioning

Switching On the Device

Steps for powering up the device, including connecting power and using the switch.

Switching Off the Device

Procedures for safely shutting down the device and disconnecting power.

Technical Data

Central Corneal Thickness (CCT)

Provides measurement range, resolution, and repeatability for CCT.

Maintenance

Cleaning Procedures

Provides guidelines and recommended tools for cleaning the device.

Appendix

RF Equipment Separation Distances

Provides guidance on safe separation distances for RF equipment.

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