Corneal biomechanical changes and intraocular pressure in patients ...

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窑Clinical Research窑

Corneal biomechanical changes and intraocular pressure in patients with thyroid orbitopathy Department of Ophthalmology and Visual Rehabilitation, the Veterans Central Hospital, Lodz 90-710, Poland Correspondence to: Zofia Pniakowska. Department of Ophthalmology and Visual Rehabilitation, the Veterans Central Hospital, Zeromskiego 113 Street, Lodz 90-710, Poland. [email protected] Received: 2014-07-31 Accepted: 2015-01-31

Abstract

· AIM:

To determine the relevance of the objective

parameters addressing the altered biomechanical properties of cornea for glaucoma monitoring in patients with mild or moderate thyroid associated orbitopathy (TAO), and in healthy individuals.

· METHODS:

Twenty -five patients with TAO (group 1)

and 25 healthy adults (group 2) were included to the study. Both groups were of a similar age and the ratio women:man. For each patient, the following parameters of both eyes were measured with ocular response analyzer (ORA): corneal hysteresis (CH), corneal resistance factor (CRF), Goldmann correlated intraocular pressure (IOPg) and corneal compensated intraocular pressure (IOPcc). In both groups participating in our study, all measurements were performed within minutes to reduce the diurnal effects.

·RESULTS: The mean age in group 1

was 56 依11y and

76% were women, 24% were men. The mean age in group 2 was 64 依11y and 68% were women, 32% were men. CH correlated negatively with IOPg in group 1 ( 2= 0.10, 0.05) (Table 3). There were also no significant differences of CH values between both groups ( >0.05) (Table 3). CH correlated negatively with IOPg in group 1 ( 2=0.10,