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Evaluation of ocular elasticity in high myopia

Poster Details

First Author: G.PEKEL TURKEY

Co Author(s):    K. AGLADIOGLU   S. ACER   K. BOZKURT   E. CETIN   R. YAGCI  

Abstract Details

Purpose:

Our aim was to evaluate the ultrasound (US) elastography of ocular and peri-ocular structures in high myopia.

Setting:

Pamukkale University Medical School, Denizli, Turkey

Methods:

There were 20 eyes of 20 high myopic patients in the study group, while 20 eyes of 20 age-sex-matched healthy participants in the control group. The eyes in the study group had myopia greater than -5.0 diopters and had axial length (AL) greater than 25.0 mm. The US elastography measurements were performed with the LOGÄ°Q E9 Ultrasound Elastography. The elastography values of anterior vitreous, posterior vitreous, retina-choroid-sclera complex (RCS) and retrobulbar fat tissue (RF) were measured in each eye.

Results:

Anterior vitreous US elastography values were similar in both groups (p=0.17), while posterior vitreous is more elastic in high myopic eyes (p=0.01). There was a moderate negative correlation between AL and RCS/RF elastography ratio (r=-0.35, p=0.03), as well as between refractive error and RCS/RF elastography ratio (r=-0.36, p=0.02).

Conclusions:

High myopia is associated with more elastic posterior vitreous. Elasticity of posterior retina-choroid-sclera complex increases as the axial length increases.

Financial Disclosure:

NONE

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