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280974

CORRELATION BETWEEN INTRAOCULAR PRESSURE MEASUREMENTS USING APPLANATION TONOMETRY AND OCULAR RESPONSE ANALYZER (ORA) IN PRIMARY CONGENITAL GLAUCOMA (PCG) PATIENTS

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Last updated: 05 Jan 2025

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Abstract

Objective: This study aims to assess the degree of agreement between IOP measured using
Perkins and Goldmann applanation tonometers, and both Goldmann correlated intraocular pressure
(IOPg) and corneal compensated intraocular pressure (IOPcc) measured using ORA in PCG patients.
Study Design: a prospective, single-center, observational study. Patients and Methods: All
patients with PCG and fulfilling the inclusion criteria of the study underwent full ophthalmological
examination and CCT measurement using ultrasound pachymetry. Applanation tonometer was used
to measure the IOP. ORA was used to detect CH, CRF, IOPcc, and IOPg. Agreement between IOP
measured using applanation tonometers, and both IOPg and IOPcc was tested using interclass
correlation (ICC). Results: Forty three eyes of 28 patients were included. Twenty two were males.
The mean patients age was 9.14 years. The mean IOP measured using applanation tonometry was
16.07 mmHg. The mean IOPg was 21.857 mmHg. The mean IOPcc was 24.17 mmHg. The mean
difference of IOP measured by applanation and both IOPg and IOPcc was 5.78 mmHg and
8.1mmHg respectively with higher measurements by ORA. These differences were statistically
significant (p =0.00). IOPg error % was statistically significantly positively correlated with CCT
(p=0.009) and CRF (p=0.00) with correlation coefficient of 0.399 and 0.504 respectively. IOPcc
error % was statistically significantly negatively correlated with CH (p=0.034) with correlation coefficient of - 0.324. Conclusion: In the current study, a statistically significant difference between
the IOP measured using applanation tonometry and ORA obtained IOP namely IOPg and IOPcc
was detected with higher ORA measurements.

DOI

10.21608/ejco.2022.280974

Keywords

PcG, Applanation tonometry, ORA

Authors

First Name

Shokier,

Last Name

G.

MiddleName

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Affiliation

Ophthalmology dept., Faculty of Medicine, Cairo, Univ., Egypt

Email

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City

-

Orcid

-

First Name

Khalil,

Last Name

N.

MiddleName

-

Affiliation

Ophthalmology dept., Faculty of Medicine, Cairo, Univ., Egypt

Email

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City

-

Orcid

-

First Name

Esmael,

Last Name

A.

MiddleName

-

Affiliation

Ophthalmology dept., Faculty of Medicine, Cairo, Univ., Egypt

Email

-

City

-

Orcid

-

Volume

5

Article Issue

2

Related Issue

39047

Issue Date

2022-12-01

Receive Date

2022-11-07

Publish Date

2022-12-01

Page Start

117

Page End

124

Print ISSN

2537-0502

Online ISSN

2537-0944

Article File

EJCO_Volume 5_Issue 2_Pages 117-124.pdf

PDF . 343.0kB

Link

https://ejco.journals.ekb.eg/article_280974.html

Detail API

https://ejco.journals.ekb.eg/service?article_code=280974

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7

Type

Original articles: include clinical trials, interventional research, Basic researches and clinically relevant laboratory investigations

Type Code

1,824

Publication Type

Journal

Publication Title

Egyptian Journal of Clinical Ophthalmology

Publication Link

https://ejco.journals.ekb.eg/

MainTitle

CORRELATION BETWEEN INTRAOCULAR PRESSURE MEASUREMENTS USING APPLANATION TONOMETRY AND OCULAR RESPONSE ANALYZER (ORA) IN PRIMARY CONGENITAL GLAUCOMA (PCG) PATIENTS

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Article

Created At

23 Jan 2023