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¹Fatih Üniversitesi Tıp Fakültesi Göz Hastalıkları A.D., Ankara, Yrd. Doç. Dr.
²Fatih Üniversitesi Tıp Fakültesi Nefroloji Bölümü, Ankara, Uzm. Dr. Purpose: To compare the intraocular pressure (IOP) and ocular pulse amplitude (OPA) between the patients with systemic hypertension and normal individuals.
Materials and Methods: Thirty-three patients with controlled systemic hypertension with treatment and 24 healthy subjects were included in the study. All participants underwent 24-hour ambulatory blood pressure monitoring, IOP and OPA measurements with dynamic contour tonometry. Statistically analysis of the groups was also performed according to mean IOP, OPA, systolic blood pressure (SBP) and diastolic blood pressure (DBP).
Results: The mean age of the 33 patients (23 female/10 male) was 53.0±11.7 years in hypertension group. Mean IOP was 16.8±2.1 mmHg, OPA was 2.9±1.0 mmHg, SBP was 125.9±10.8 mmHg and DBP was 81.3±9.9 mmHg in this group. In control group, the mean age of the 24 subjects (14 female / 10 male) was 49.9±10.3 years. Mean IOP was16.1±1.9 mmHg, OPA was 2.5±0.7 mmHg, SBP was 122±8.7 mmHg and DBP was 81.0±7.3 mmHg in this group. There was no statistically significant difference between the groups in terms of the other parameters except for OPA.
Conclusion: However, patients with controlled systemic hypertension had higher the OPA values than normal individuals, both groups had similar the SBP, DBP and IOP values. The elevated OPA values in the patients with systemic hypertension are most likely secondary to increased choroidal perfusion and ocular blood flow. Keywords : Blood pressure, intraocular pressure, ocular pulse amplitude, systemic hypertension