Li Yunping, Jia Songbai, Liu Ping, Xiao Manyi, Wei Xin, Tang Luosheng, Xia Kun
Department of Ophthalmology, Second Xiangya Hospital, Central South University, Changsha 410011; Research Center of Eye Disease, Second Xiangya Hospital, Central South University, Changsha 410011; Postdoctoral Research Station of State Key Laboratory of Medical Genetics, Central South University, Changsha 410078, China.
Zhong Nan Da Xue Xue Bao Yi Xue Ban. 2015 Jan;40(1):72-7. doi: 10.11817/j.issn.1672-7347.2015.01.012.
To compare the difference in intraocular pressure (IOP) readings as well as the tolerability between Icare rebound tonometer (Icare RBT) and Goldmann applanation tonometer (GAT), and to evaluate the application of Icare RBT in monitoring the intraocular pressure in children after congenital cataract surgery.
The IOP was measured with the Icare RBT and GAT respectively in 150 children (262 eyes) after congenital cataract surgery by two experienced ophthalmologists. Correlation and Bland-Altman analysis were used to assess the agreement in IOP readings between the two instruments. The influence of the central corneal thickness (CCT) adjusted for age on IOP readings was analyzed by linear regression analysis. The tolerance of the patients to Icare RBT and GAT measurement were surveyed.
The mean age was (44.82 ± 11.56) months in 150 children, including 81 boys and 69 girls. The mean IOP readings by the Icare RBT and GAT were (16.08 ± 5.72) mmHg and (14.17 ± 5.05) mmHg, respectively. The mean difference between the Icare RBT and GAT was (1.91 ± 2.04) mmHg, which was significantly correlated with CCT (r=0.409, P<0.001). The IOP readings by Icare RBT was significantly correlated with that measured by GAT(r= 0.936, P<0.001). The 95% confidence interval of the difference between the two instruments was ?2.10 to 5.91 mmHg. The Icare RBT examination was well tolerated by the children compared to the GAT examination.
The Icare RBT is easy to use and well tolerated by the children after congenital cataract surgery. Compared to GAT, the value measured by the IOPs trends to be overestimated. The difference in readings between the 2 tonometers will magnify with the increase in CCT.
比较Icare眼压回弹式眼压计（Icare RBT）与Goldmann压平眼压计（GAT）测量眼压（IOP）的差异及耐受性，评估Icare RBT在先天性白内障手术后儿童眼压监测中的应用。
由两位经验丰富的眼科医生分别使用Icare RBT和GAT对150例先天性白内障手术后的儿童（262只眼）进行眼压测量。采用相关性分析和Bland-Altman分析评估两种仪器眼压测量结果的一致性。通过线性回归分析年龄校正后的中央角膜厚度（CCT）对眼压测量值的影响。调查患者对Icare RBT和GAT测量的耐受性。
150例儿童的平均年龄为（44.82±11.56）个月，其中男孩81例，女孩69例。Icare RBT和GAT测量的平均眼压分别为（16.08±5.72）mmHg和（14.17±5.05）mmHg。Icare RBT与GAT的平均差值为（1.91±2.04）mmHg，与CCT显著相关（r=0.409，P<0.001）。Icare RBT测量的眼压与GAT测量的眼压显著相关（r=0.936，P<0.001）。两种仪器测量差值的95%置信区间为-2.10至5.91 mmHg。与GAT检查相比，儿童对Icare RBT检查的耐受性良好。
Icare RBT使用方便，先天性白内障手术后儿童耐受性良好。与GAT相比，Icare RBT测量的眼压值有高估趋势。两种眼压计测量值的差异随CCT增加而增大。
