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临床试验/ISRCTN10092153
ISRCTN10092153已完成不适用

Visual satisfaction with a multifocal lens design combination: a randomized cross-over study

CooperVision Inc.0 个研究点目标入组 40 人开始时间: 2016年10月28日最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
入组人数
40

研究概览

简要总结

暂无简介。

研究设计

研究类型
Interventional

入排标准

性别
All

入选标准

  • 1. At least 40 years old
  • 2. Have read and understood the Participant Information Sheet
  • 3. Have read, signed and dated the Informed Consent
  • 4. Best corrected visual acuity of at least 20/25 in each eye
  • 5. Have normal eyes with the exception of the need for visual correction
  • 6. Current multifocal contact lens wearer
  • 7. Spectacle refraction:
  • 8. Distance: Sphere: -6.00D to + 4.00D, Astigmatism: 0.00D to -0.75D
  • 9. Near Addition: +0.75D to +2.50D in three groups:
  • 9.1. Emerging presbyopes:+0.75D to +1.25D
  • 9.2. Established presbyopes:+1.50D and +1.75D
  • 9.3. Advanced presbyopes:+2.00D to +2.50D
  • 10. Be willing and able to adhere to the instructions set in the clinical protocol and maintain the appointment schedule

排除标准

  • 1. Ocular anterior segment infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear
  • 2. Use of systemic or ocular medications for which contact lens wear could be contraindicates as determined by the investigator
  • 3. Monocular participants (only one eye with functional vision) or participants fit with only one lens
  • 4. Any moderate or severe ocular condition observed during the slit-lamp examination at the enrolment visit
  • 5. History of herpetic keratitis, ocular surgery or irregular cornea
  • 6. Known pregnancy or lactation during the study period
  • 7. Enrolment of the investigator or his/her staff, family members of the investigator, family members of the investigator’s staff, or individuals living in the households of these individuals

研究者

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