Contact lens fitting characteristics study

Not Applicable

• Conditions: Presbyopia multifocal contact lens fitting; Eye Diseases; Presbyopia

• Registration Number: ISRCTN16821484
• Lead Sponsor: Cooper Vison Inc. (USA)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2020-06-25
• Last Update Posted: 30 November 2020
• Study Completion: 2020-12-31

Recruitment & Eligibility

• Status: Ongoing
• Sex: All
• Target Recruitment: 15

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
8. Be willing and able to adhere to the instructions set in the clinical protocol and maintain the appointment schedule

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

Study & Design

• Study Type: Interventional
• Study Design: Not specified