Efficacy of Presbyopic Add correction by Comfort i Application : A pilot study
- Conditions
- Efficacy of Presbyopic Add correction by Comfort i Application, Compare correlation of Presbyopia and pupillary distance from Comfort i application and Age-Based Addition Method.PresbyopicComfort i Application
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 100
1. aged between 40 and 60 years.
2. Volunteers with best corrected visual acuity in each eye when seeing far better than or equal to 20/25 or 6/7.5.
3. Volunteers who have vision in each eye measured Autorefractor not more or lower than 0.5 D and Astigmatism not more than 0.5 D
4. Volunteers with presbyopia, that is. Unable to read Rosenbaum near chart at a distance of 14 inches with binocular eyes up to row J1+.
1. Volunteers with latent or manifest strabismus and latent or manifest nystagmus.
2. Volunteers with physical or ocular conditions that affect the use of both eyes together (binocular problem).
3. Volunteers received treatment to correct presbyopia at the time of the study by means of inserting a trifocal or multifocal intraocular lens or inserting an intraocular lens for pseudophakic monovision or inserting an extended depth of focus (EDOF) intraocular lens.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Efficacy of Comfort i Application at first visit Efficacy of Presbyopic Add correction by Comfort i Application
- Secondary Outcome Measures
Name Time Method Compare Comfort i Application and Age-Based Addition Method at first visit Compare correlation of Presbyopia and pupillary distance from Comfort i application and Age-Based Addition Method