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Ophthalmologe. 1999 Aug;96(8):498-502.

[More than 4 years' experience with electronic intraocular needle tonometry].

[Article in German]

Author information

1
Augenklinik der Heinrich-Heine-Universität Düsseldorf.

Abstract

BACKGROUND:

Applanation tonometry in eyes with pathological corneae can often not be performed or delivers rather questionable results. We report on our 4-year experience with electronic intraocular needle tonometry.

PATIENTS AND METHODS:

After since 1994 developing and calibrating a system for intraocular needle tonometry, we have performed 395 measurements in 252 eyes with irregular corneae and suspicion of glaucoma. If applanation tonometry values could be obtained, they were compared with the true intraocular pressure.

RESULTS:

Depending on the kind of corneal pathology, applanation tonometry values were lower and sometimes much lower than true intraocular pressure. No serious complications occurred as a result of intraocular needle tonometry.

CONCLUSIONS:

Intraocular needle tonometry is a safe procedure and is the only way to measure intraocular pressure precisely in eyes with pathological corneae.

PMID:
10509080
DOI:
10.1007/s003470050444
[Indexed for MEDLINE]

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