The objective of this study was to evaluate bone mineral density (BMD) and 25-hydroxyvitamin D (25(OH)D) levels in patients with ocular pseudoexfoliation (PEX) syndrome. Subjects with ocular PEX syndrome were included in the PEX group and subjects without PEX syndrome were defined as the control group. 25(OH)D levels were measured by chemiluminescence microparticle immunoassay method. BMD measurements were obtained from the femoral neck and lumbar spine by using dual-energy X-ray absorptiometry. The results were expressed as gram per square centimeter, T-scores (standard deviation compared to a healthy 30-yr-old male), and Z-scores (standard deviation compared to the subject's age). Independent t-test was used to compare the mean and medians of the groups. The PEX group consisted of 23 subjects with a mean age of 71.09 ± 2.02 yr and the control group consisted 46 subjects with a mean age of 67.04 ± 1.34 yr. There was no significant difference between the groups as regards the BMD measurements (gram per square meter), T-scores, and Z-scores. Both groups have low 25(OH)D, yet vitamin 25(OH)D levels were similar in the groups (p > 0.05). In the light of our results, although patients with ocular PEX have low BMD and 25(OH)D, BMD and 25(OH)D do not appear to be linked to ocular PEX syndrome in our study population.
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