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DEUTSCH
ENGLISH
FRANÇAIS
ITALIANO
ESPAÑOL
NEDERLANDS
PORTUGUÊS
SVENSKA
© HAAG‑STREIT AG, 3098 Koeniz, Switzerland − HS‑Doc. no. 1500.7006000.04260 – 26. Edition / 2020 – 03
The measuring prisms are stamped with an expiry date ( ). They must
not be used beyond this date. Haag‑Streit recommends a maximum ser‑
vice life of two years before the expiry date. This service life applies sub‑
ject to normal conditions of use, i.e., in compliance with the instructions
contained in these instructions for use. The service life starts with the first
use. The above‑mentioned time periods do not apply to damaged mea‑
suring prisms; these must be immediately replaced.
Service life:
Maximum two years
Service life:
Maximum two years
First use
First use
Replace
Replace
Year:
1.6.4 Tonosafe
NOTE!
Tonosafe was developed to avoid the necessary cleaning and disinfection
of measuring prisms from applanation tonometers. Tonosafe is a dispos‑
able applanation and optical duplication prism for Goldmann and Perkins
applanation tonometers, for single use.
Additional details can be found in the separate instructions for use.
1.6.5 Monthly device checks
The tonometer must be checked on a monthly basis as described in the 'Mainte‑
nance' chapter. A check will be absolutely necessary if external force is applied (e.g.,
striking or dropping the appliance).
NOTE!
If a repair is necessary, please contact your Haag‑Streit representative.
1.7 Warranty and product liability
Haag-Streit products must be used only for the purposes and in the manner des-
cribed in the documents distributed with the product.
The product must be treated as described in the ‘Safety’ chapter. Improper hand-
ling can damage the product. This would void all guarantee claims.
Continued use of a product damaged by incorrect handling may lead to personal
injury. In such a case, the manufacturer will not accept any liability.
Haag-Streit does not grant any warranties, either expressed or implied, including
implied warranties of merchantability or fitness for a particular use.
Haag-Streit expressly disclaims liability for incidental or consequential damage
resulting from the use of the product.
This product is covered by a limited warranty granted by your seller.
This product is covered by a limited warranty, which may be reviewed at
www.haag-streit-usa.com.
•
•
•
•
•
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For USA only:
•
1.9 Description of symbols
European certificate of
conformity
General warning: Read the ac-
companying documentation
Date of manufacture
Manufacturer
HS reference number
Serial number
Expiry date
(YYYY-MM-DD)
LOT number
2. Introduction
The applanation tonometer functions according to the Goldmann method: measure‑
ment of the pressure required to maintain a uniform applanation of the surface of
the cornea. The exact measurement of the applanation surface is performed at 10×
magnification on the slit lamp.
The pressure is measured on the slit lamp with the patient seated and is part of a
routine examination within the scope of conventional slit lamp microscopy.
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