The Study of Intraocular Pressure in Systemic Hypertensive Patients of Chumphon Khet Udomsakdi Hospital
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Abstract
Background: Glaucoma is the second leading cause of blindness. The main treatment is to control the intraocular pressure (IOP). Patients with systemic hypertension can have increase IOP. This research aims to study the relationship between systemic hypertension and IOP by using non-contact air puff tonometer (NCT).
Methods: Three hundred and forty-nine systemic hypertension participants without glaucoma were enrolled in this study. Intraocular pressure was measured in all participants by using NCT. If IOP ≥ 21 mmHg, Goldman applanation tonometer (GAT) will use to
confirm.
Results: Participants were male 31.52% and female 68.48% with mean ± standard deviation (S.D.) age was 65.18 ± 12.08 years. The means ± S.D. IOP with NCT right and left eyes were 17.02 ± 3.63 and 16.82 ± 3.71 mmHg, respectively. High IOP
(≥ 21 mmHg) with NCT was 16.33% in right eye and 14.90% in the left eye. These high IOP were confirmed with GAT and were absolutely high 3.72% and 3.43% in right and left eyes, respectively. The result of IOP comparison between NCT and GAT in right
eye were 22.77 ± 2.29 and 18.63 ± 2.64 (P<0.001) and in left eye were 23.21 ± 2.53 and 18.73 ± 3.21 (P < 0.001) significantly, respectively.
Conclusion: Intraocular pressure from NCT was higher than IOP from GAT. Finally, high IOP in systemic hypertension with NCT should confirmed by GAT.
Conflict of Interest: Author has no financial interest in this study
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