Visual Outcomes for Toric Efficacy Study

University of Houston1 个研究点分布在 1 个国家目标入组 34 人2018年10月12日

适应症Astigmatism Myopia

概览

阶段: 不适用
干预措施: 未指定
疾病 / 适应症: Astigmatism
发起方: University of Houston
入组人数: 34
试验地点: 1
主要终点: Distance low contrast visual acuity
状态: 已完成
最后更新: 5年前

概览研究者入排标准结局指标研究点相似试验

概览

简要总结

This is a crossover study of two types of contact lenses (toric orthokeratology and soft multifocals). Primary aims are to quantify correction of astigmatism, subjective and objective visual performance, aberrometry, peripheral refraction and bacterial bioburden between toric orthokeratology and soft toric multifocal contact lenses.

注册库

clinicaltrials.gov

开始日期

2018年10月12日

结束日期

2020年3月19日

最后更新

5年前

研究类型

Interventional

研究设计

Single Group

性别

All

研究者

发起方

University of Houston

责任方

Principal Investigator

主要研究者

Kathryn Richdale

Associate Professor

University of Houston

入排标准

入选标准

•18 to 39 years of age (inclusive)
•Able to read and understand the study informed consent
•Plano to -5.00 D (inclusive) vertex corrected sphere power in each eye
•1.25 to -3.50 D (inclusive) vertex corrected astigmatism in each eye
•Best corrected acuity of 20/25 or better in each eye
•No history of ocular pathology or surgery
•No significant binocular vision or accommodation abnormality (i.e. strabismus, amblyopia)
•No gas permeable lens wear for at least 1 month
•No systemic or ocular contraindications for contact lens wear
•Not pregnant/lactating (by self-report)

排除标准

•Adults unable to consent
•Individuals who are not yet adults (infants, children, teenagers)
•Prisoners
•Students for whom one of the principal investigators have direct access to/influence on grades would be consented and seen by another investigator for all visits.
•Pregnant/lactating women (by self-report)