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Journal Français d'Ophtalmologie
Volume 41, n° 1
pages 30-38 (janvier 2018)
Doi : 10.1016/j.jfo.2017.06.006
Received : 23 February 2017 ;  accepted : 16 June 2017
Articles originaux

Intraocular pressure measurements and corneal biomechanical properties using a dynamic Scheimpflug analyzer, after several keratoplasty techniques, versus normal eyes
Évaluation de la pression intraoculaire et des propriétés biomécaniques de la cornée par un tonomètre non contact associé à une caméra dynamique Scheimpflug, après kératoplastie et chez le sujet sain
 

Figure 1




Figure 1 : 

Parameters recorded by the Corvis ST.


Figure 2




Figure 2 : 

Scatterplot of radius at highest concavity (R hc ) as a function of central corneal thickness (CCT) in control eyes. In the control group, a significant positive correlation was found between R hc and central corneal thickness (CCT) (R 2=0.602, P <0.0001).


Figure 3




Figure 3 : 

Scatterplot of deformation amplitude (DA) as a function of central corneal thickness (CCT) in control eyes. A significant negative correlation was found between deformation amplitude (DA) and central corneal thickness (CCT) (R 2=−0.641, P <0.0001).


Figure 4




Figure 4 : 

Scatterplot of radius at highest concavity (R hc ) as a function of non-corrected intraocular pressure. A positive significant correlation was found between R hc and PIOnc for the control group (R 2=0.443; P =0.001). Significant correlations were not found between R hc and PIOnc for the other groups (descemet stripping automated endothelial keratoplasty [DSAEK]: R 2=−0.020, P =0.93; DALK: R 2=0.67, P =0.21; DSAEK on KT: R 2=0, P =1).


Figure 5




Figure 5 : 

Scatterplot of deformation amplitude (DA) as a function of non-corrected intraocular pressure. Negative significant correlations between DA and PIOnc were found for all eyes except after deep anterior lamellar keratoplasty (DALK). Control eyes: R 2=−0.67, P =0.008; descemet stripping automated endothelial keratoplasty (DSAEK): R 2=−0.42, P =0.049; DALK: R 2=−0.87, P =0.054; KT+DSAEK: R 2=−0.928, P =0.008.


Figure 6




Figure 6 : 

Scatterplot of radius at highest concavity as a function of corrected intraocular pressure in the control eyes. No significant correlations were found between R hc and PIOnc in the control group (R 2=0.019, P =0.18).

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