ISRCTN16821484
Active, not recruiting
未知
The effect of contact lens parameters and material on fitting characteristics - pilot study
Cooper Vison Inc. (USA)0 sites15 target enrollmentJune 25, 2020
Overview
- Phase
- 未知
- Intervention
- Not specified
- Conditions
- Presbyopia multifocal contact lens fitting
- Sponsor
- Cooper Vison Inc. (USA)
- Enrollment
- 15
- Status
- Active, not recruiting
- Last Updated
- 5 years ago
Overview
Brief Summary
No summary available.
Investigators
Eligibility Criteria
Inclusion Criteria
- •1\. At least 40 years old
- •2\. Have read and understood the Participant Information Sheet in English
- •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 contact lens wearer
- •7\. Spectacle refraction:
- •Distance: Sphere: \-6\.00D to \+ 4\.00D
- •Astigmatism: 0\.00DC to \-0\.75DC
- •Near Addition: \+0\.75D to \+1\.25D
Exclusion Criteria
- •1\. Ocular anterior segment infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear
- •2\. Newly prescribed (within the past 30 days) use of some systemic medications (such as antihistamines, decongestants, diuretics, muscle relaxants, tranquilizers, stimulants, anti\-depressants, anti\-psychotics, oral contraceptives) or new prescription eyedrops which is not rewetting/lubricating eyedrops for which contact lens wear could be contraindicated 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
Outcomes
Primary Outcomes
Not specified
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