advertisement
Abstract #14240 Published in IGR 8-3
Comparison of the intraocular pressure value measured with Goldmann applanation tonometer and non-contact tonometer
Yan Q-C; He Y-H; Bai Q-H; Di-Y; Wang-X-LInternational Journal of Ophthalmology 2006; 6: 537-539
AIM: To assess the relative agreement of GAT and NCT in IOP measurement by comparing the differences between Goldmann applanation tonometer (GAT) and non-contact tonometer (NCT) in intraocular pressure (IOP) detection. METHODS: IOP of 529 eyes of 265 volunteers were me asured with both NCT and GAT, respectively. RESULTS: The measurement results of NCT were lower than that of GAT, there was significant difference between the IOP measured with NCT and GAT (19.13 vs 23.43, t = 22.644, P < 0.05). With the increasing of IOP values, the difference magnitude was greater, especially in IOP group that was more than 30 mmHg, but the correlation coefficient became lower. CONCLUSION: The measurement results with NCT are lower than that of GAT. When the IOP with the NCT is in borderline value, it need be corrected with GAT, in order to discover the pathologically elevated IOP and avoid the misdiagnosis and mistreatment of glaucoma.
Dr. Q.-C. Yan, Department of Ophthalmology, Hospital of China Medical University, Shenyang 110005 Liaoning Province, China
Classification:
6.1 Intraocular pressure measurement; factors affecting IOP (Part of: 6 Clinical examination methods)
