Corneal Biomechanical Properties in Pseudoexfoliation Syndrome

To evaluate corneal biomechanical properties in pseudoexfoliation syndrome (PEX).
This cross-sectional study enrolled 30 patients with PEX and 30 normals. All participants underwent complete ocular examination, including intraocular pressure (IOP) measurement. The ocular response analyzer (ORA) was used to measure corneal biomechanical properties. Corneal hysteresis (CH) and corneal resistance factor (CRF) values were analyzed and compared between the study groups.
Both CH and CRF values in the PEX group (7.17± 0.75 mmHg and 7.09 ± 0.09 mmHg, respectively) were statistically significantly lower than those in the control group (10.01±1.02 mmHg and 10.02±1.44 mmHg, respectively) (P CH and CRF were significantly lower in the PEX group compared to the controls. CH showed a negative correlation with the severity of PEX.