CTRI/2020/06/025632尚未招募不适用
Establishment of Normative Database of Contrast Sensitivity in Indian Population using Spaeth and Richman Contrast Sensitivity test
Government Medical College and hospital Chandigarh1 个研究点 分布在 1 个国家目标入组 200 人开始时间: 2020年10月6日最近更新:
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 发起方
- 入组人数
- 200
- 试验地点
- 1
- 主要终点
- To ascertain normative database of Contrast Sensitivity using SPARCS in North Indian population.
研究概览
简要总结
Many contrast sensitivity(CS) tests have been developed in the past which could assess central CS. Spaeth and Richman Contrast sentivity test(SPARCS) asesses both central and peripheral CS.This study aims to establish normative database of Contrast sentivity in Indian population using SPARCS.
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 18.00 Year(s) 至 70.00 Year(s)（—）
- 性别
- All
入选标准
- •Age more than 18years and less than 70 years
- •Either gender.
排除标准
- •Patients with history of incisional or laser eye surgery in the past 3 months
- •Any cause for visual impairment (e.g., glaucoma, cataract more than grade 2(LOCS), diabetic mellitus, Age Related Macular Degeneration, etc.)
- •Any medical condition (e.g., cognitive impairment, Parkinson’s disease, Alzheimer’s disease and any other neurological or musculoskeletal disease).
- •Best-corrected visual acuity (BCVA) of less than 20/50
- •Refractive error greater than +6 or −6 D; Astigmatism not more than +2D
- •Any sign of secondary glaucoma, significant media opacities, and a history of using topical/oral steroids.
结局指标
主要结局
To ascertain normative database of Contrast Sensitivity using SPARCS in North Indian population.
时间窗: At presentation
次要结局
- To determine affect of age, gender, astigmatism on peripheral and central contrast sensitivity(At presentation)
研究者
研究点 (1)
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