Comparison of WTW Corneal Diameter by IOL Master500,Pentacam & Digital Calipers & Its Biometric Correlation
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 发起方
- 入组人数
- 50
- 试验地点
- 1
- 主要终点
- WTW corneal diameter using IOL Master, Pentacam and Digital Caliper.
研究概览
简要总结
This prospective cross-sectional observational study aims to compare white-to-white(WTW) corneal diameter measurements obtained using three modalities-Pentacam,IOL Master 500, and digital calipers-in healthy adults. The objective is to assess the agreement and correlation among these methods and evaluate their association with ocular biometric parameters such as axial length, anterior chamber depth, keratometry. By validating the accuracy of low-cost digital calipers against advanced imaging systems, the study explores the potential of their interchangeable use in routine clinical practice, especially in resource limited settings.
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 20.00 Year(s) 至 80.00 Year(s)（—）
- 性别
- All
入选标准
- •Healthy individual with age 20 and above Optically clear cornea.
排除标准
- •Patients with previous history of ocular surgery or trauma.
- •Any corneal pathology (e.g., keratoconus, dystrophies, degenerations) Active contact lens use.
- •Active ocular infection or inflammation.
- •Systemic conditions of eye(connective tissue disorders) Patients with poor fixation due to ocular or neurological causes (e.g., nystagmus, macular disease, advanced cataract, amblyopia, or cognitive impairment), leading to poor-quality scans or inability to complete standardized WTW measurements.
- •Severe ptosis or lid abnormalities.
结局指标
主要结局
WTW corneal diameter using IOL Master, Pentacam and Digital Caliper.
时间窗: WTW corneal diameter using IOL Master, Pentacam and Digital Caliper. | Biometric parameters like k1,k2, axial length and Anterior Chamber Depth using OL Master and Pentacam.
Biometric parameters like k1,k2, axial length and Anterior Chamber Depth using OL Master and Pentacam.
时间窗: WTW corneal diameter using IOL Master, Pentacam and Digital Caliper. | Biometric parameters like k1,k2, axial length and Anterior Chamber Depth using OL Master and Pentacam.
次要结局
未报告次要终点
研究者
Dr Chitransha Gaur
Sankara Eye Hospital