Haag-Streit AT 870 User Manual

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© HAAG‑STREIT AG, 3098 Koeniz, Switzerland – HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06
INSTRUCTIONS FOR USE
Applanation tonometer
AT 900
®
/ 870
22. Edition / 2016 – 06
01-IFU_AT900-7006000-04220_eng.indd 1 09.06.2016 13:50:52

Haag-Streit AT 870 Specifications

General

Brand	Haag-Streit
Model	AT 870
Category	Measuring Instruments
Language	English

Summary

Safety

Installation warnings

Critical warnings regarding installation and modifications.

Operation, environment

Guidelines for safe operation and environmental factors.

Warranty and product liability

Introduction

Appliance assembly / installation

AT 900 Model R

Details the assembly process for the AT 900 Model R, including pivot installation.

AT 900 Model T

Describes the installation procedure for the AT 900 Model T onto the slit lamp guide plate.

AT 900 Model BQ

Tonometer AT 870

Commissioning

Operation

Measuring tips

Astigmatism

How pressure is measured

Details the Goldmann method for measuring intraocular pressure using the tonometer.

Preparing the patient

Patient instructions

Preparation of the tonometer

Measuring correctly

Step-by-step guide on how to perform a correct intraocular pressure measurement.

Sources of error

Identifies common sources of error, including positioning, pressure, and incorrect bands.

Technical data

Applanation tonometer AT 900

Applanation tonometer AT 870

Maintenance

Repairs

Checking the Tonometer AT 900

Monthly checks to ensure the AT 900 Tonometer is functioning correctly, including drum positions.

Checking the Tonometer AT 870

Monthly checks to ensure the AT 870 Tonometer is functioning correctly, including drum positions.