尼日利亚儿童眼部生物测量和中央角膜厚度分析

来源 :国际眼科杂志 | 被引量 : 0次 | 上传用户:liongliong537
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
目的:评估尼日利亚儿童眼部生物特征测量和中央角膜厚度(CCT),建立参考数据库.方法:对2017-11/2018-01在我院招募的儿童进行横断面观察.采用LogMAR图表和Lea图表对不同年龄组患者的社会人口学资料、视力(VA)进行评估.对8岁及以下儿童进行麻醉检查(EUA),行瞳孔扩张前后节段检查,使用卡尺测量角膜直径(CD).采用手持式眼压计测量眼内压(IOP),用超声角膜厚度仪测量中央角膜厚度和眼轴长度(AL).临床检查后进行睫状肌麻痹性屈光检查.采用SPSS version 17对数据进行输入和分析,通过描述性统计得出结果,完成频率和变量交叉表(P<0.05).结果:研究共纳入66例132眼患者,年龄3~16(平均9.13±3.70)岁,男女比例为1:1.7.年龄集中于6~10岁(42.4%),大多数患者为小学生(54.5%).父母的职业主要是商人/非技术工人(51.6%)和专业人员/公务员(30.3%).平均右眼、左眼VA(LogMAR)为0.45±0.46和0.45±0.44.右、左眼角膜水平直径(HCD)平均值分别为10.5±1.6、10.37±1.45 mm.右、左眼角膜垂直直径(VCD)分别为9.7±1.2 mm和9.7±1.3 mm.右、左眼平均CCT分别为556.71±2.61μm和556.47±45.53μm.近视[23例(34.8%)],近视散光[18例(27.3%)],单纯性散光[16例(24.2%)]是最常见的屈光不正类型.CCT和HCD(P=0.739)、VA(P=0.058)和屈光不正(P=0.199)之间无显著相关性.但CCT与年龄组有轻度显著相关(P=0.055).结论:尼日利亚儿童的CCT、IOP和CD的平均值首次为人所知.CCT与VA、CD与屈光不正之间无显著相关性,需要进一步的研究来确定结果.“,”?AIM: To determine the ocular biometric measurements and central corneal thickness ( CCT ) in Nigerian children so as to have a reference database.?METHODS:A hospital-based observational study of a cross- section of children seen consecutively between November 2017 and January 2018. The socio-demographic data of patients, visual acuity ( VA ) was assessed with LogMAR charts and Lea charts according to age group. Examination under anesthesia ( EUA) was carried out for children eight years and below. Anterior and posterior segments examination through dilated pupil were done. Corneal diameters ( CD ) were assessed using calipers. Intraocular pressures ( IOP ) were examined using hand held tonometer, CCT and axial length ( AL ) were measured using the ultrasonic pachymeter. Cycloplegic refraction was carried out after clinical examination. Data were entered into and analysed using SPSS version 17 to generate results through descriptive statistics. Frequencies and cross tabulations of variables were done ( P<0.05) .?RESULTS:Sixty-six children with 132 eyes, of ages between 3-16 ( mean: 9. 13 ± 3. 70 ) years were studied. Male with female ratio was 1:1. 7. The modal age group range was 6- 10 years ( 42. 4%) . Most of them were primary school students 36 ( 54. 5%) . The predominant parents ' occupation was traders/unskilled workers ( 51.6%) and the professionals/civil servants ( 30.3%) . The mean right and left VA were 0. 45 ± 0. 46 and 0. 45 ± 0. 44 ( LogMAR ) respectively. The mean right and left horizontal corneal diameters ( HCD ) were 10. 5 ± 1. 6 mm and 10.37 ± 1. 45 mm respectively. The mean right and left vertical corneal diameters ( VCD) were 9. 7 ± 1. 2 mm and 9.7± 1. 3 mm respectively. The mean right and left CCT were 556. 71 ± 2. 61 μm and 556. 47 ± 45. 53 μm respectively. Myopia 23 (34.8%), myopic astigmatism 18 (27.3%) and simple astigmatism 16 ( 24. 2%) were the commonest types refractive error. No significant associations were observed between CCT and HCD ( P= 0. 739 ) , VA ( P=0.058) and refractive error ( P = 0. 199 ) . However, CCT slightly significantly correlated with the age groups ( P=0.055) .?CONCLUSION: Mean values for CCT, IOP and CD are known for the first time in Nigerian children. No significant association was seen between CCT and VA, CD and refractive errors. Further studies are required to ascertain findings.
其他文献
目的:探讨音乐点播干预联合精细化护理对腹腔镜腹膜前腹股沟疝修补术(TAPP)患者的影响。方法:将80例腹股沟疝行TAPP患者随机分为观察组41例和对照组39例,对照组采用常规护理,
目的:探讨手术室整体护理在预防高龄全髋关节置换术患者术后感染中的应用效果。方法:将2018年3月1日~2019年9月30日行全髋关节置换术的88例患者随机分为研究组和对照组各44例
故障树分析是故障诊断技术的一种有效方法,本文以故障树分析为基础,建立了柴油机的故障诊断系统.该系统实现了故障树的绘制、修改、保存、自动优化等功能,并采用上行算法与素
目的:探讨临床路径护理模式在食管癌手术患者中的应用方法及效果。方法:将68例食管癌手术患者随机分为观察组和对照组各34例,对照组给予传统常规护理,观察组实施临床路径护理
目的:探讨盆底肌康复对年轻子宫全切患者盆底肌功能、性生活质量和满意率的影响。方法:将2019年1月1日~12月31日收治的130例年轻子宫全切患者随机分为三组。观察1组40例,采用
以某型柴油机曲轴为研究对象,对其进行实体建模,并利用有限元分析软件进行自由模态分析,为试验模态测试时测点布置奠定基础.为了验证模型的正确性,对该曲轴进行自由模态试验;
为了保证柴油机工作过程中的可靠性,早期的故障检测和分析是非常重要的.本文通过柴油机瞬时转速信号,对柴油机燃烧情况进行分析和判断,从而实现柴油机燃烧故障诊断.其核心选
“填鸭式”的传统教学模式,过于注重知识的传授,剥夺学生进行思索、探究的权利和进行创造的机会,课堂气氛沉闷异常,毫无生气。新一轮课程改革全面推广后,2003年9月,笔者曾采
目的:探讨闭环管理模式在艾滋病(AIDS)手术患者中的应用方法及效果。方法:按手术时间对300例AIDS手术患者编号,单号为对照组,双号为研究组,每组各150例。对照组给予常规风险
根据内燃机供油量异常时振动信号特点,提出了一种基于小波包变换和支持向量机相结合的供油量异常故障诊断方法.对内燃机缸盖振动信号进行小波包分解,得到各分解节点对应频率