Optimal keratoplasty for the correction of presbyopia and hypermetropia

Not Applicable

Completed

• Conditions: Presbyopia and hypermetropia; Eye Diseases

• Registration Number: ISRCTN22899379
• Lead Sponsor: Istituto Europeo di Microchirurgia Oculare

Brief Summary

2017 Results article in https://pubmed.ncbi.nlm.nih.gov/28484647/ (added 15/02/2022)

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2016-06-01
• Study Start: 2017-03-14
• Last Update Posted: 1 March 2022

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 35

Inclusion Criteria

1. Aged 40 years and over
2. Low to moderate hypermetropia (manifest refraction: sphere between +1 to +2.5 D, absolute cylinder =1 D) or presbyopia (with presbyopic adds between +1D to +2.75 D)
3. Documented stable refraction
4. Corrected distance visual acuity (CDVA) of 33 Early Treatment Diabetic Retinopathy Study (ETDRS) letters or better

Exclusion Criteria

1. Nystagmus
2. Corneal diameter =9 mm
3. Central corneal thickness =500 µm
4. Dry eye disease
5. Severe blepharitis
6. Residual, recurrent or active corneal disease or abnormality

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Mean uncorrected near visual acuity is measured by ETDRS charts and standardized procedures at baseline and 6 months.

Secondary Outcome Measures

Name	Time	Method
ncorrected distance visual acuity in hypemetropic/presbyopic eyes is measured by ETDRS charts and standardized procedures at baseline and 6 months.