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Nour Maya N. Haddad, Alain Saad, Hana Landoulsi, Florence Cabot, Damien Gatinel; Corneal Biomechanical Properties And Intraocular Pressure In High Anisometropia. Invest. Ophthalmol. Vis. Sci. 2012;53(14):1530.
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© ARVO (1962-2015); The Authors (2016-present)
To compare corneal biomechanical properties and intraocular pressure in myopic anisometropia
In order to understand changes of the anterior segment in high myopia, we compared corneal biomechanical properties, IOP and CCT between the less and more myopic eye of 25 anisometropic patients. Subjects (spherical equivalent between +3.25D and -21.75 D) were enrolled. Corneal biomechanical properties and intraocular pressures provided by the Ocular Response Analyser (ORA) were compared between the more (MM) and less myopic eyes (LM) and correlated to central corneal thickness (CCT) and axial length (AL).
In both groups: corneal hysteresis (CH) was highly correlated to CCT and AL as was AL to Goldmann-correlated IOP (IOPg) and corneal corrected IOP (IOPcc) (p<0.001).No significant differences of CH, CRF,IOPg and IOPcc were found between MM and LM.
Higher AL was correlated with a lower CH which indicates that some aspects of corneal biomechanical properties may be altered in high myopic eyes. A higher AL was highly correlated to IOPg. IOP may be implicated in the pathogenesis of myopic eyes which showed altered biomechanical properties
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