Actual condition of refractive correction and its influences on the near task and the systemic health related indices in presbyopia age contact lens users
Not Applicable
Recruiting
- Conditions
- Presbyopia
- Registration Number
- JPRN-UMIN000045430
- Lead Sponsor
- Keio University School of Medicine
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 150
Inclusion Criteria
Not provided
Exclusion Criteria
- Severe dry eye, severe allergic conjunctivitis - Post refractive surgery - corneal disease including keratoconus - Those who are determined inappropriate by the researchers
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method - refraction - objective accommodation amplitude - spectacles usage - distance and near visual acuity - questionnaires (Near activity vision questionnaires, subjective happiness scale, quality of sleep)
- Secondary Outcome Measures
Name Time Method