Cataract surgery Eye Diseases Cataract
Conditions
Interventions
Reducing astigmatism by comparing toric IOLs vs limbal relaxing incisions (LRIs). This study is a randomised controlled trial of two techniques to control post-operative astigmatism.
Group 1: Cornea
Sponsors
Royal Berkshire NHS Foundation Trust (UK)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Symptomatic cataract 2. Vision 6/12 or worse 3. Corneal astigmatism >0.75D horizontal or >1.25D vertical and (maximum 3.0D) 4. Males and females aged over 18 years
Exclusion criteria
Exclusion criteria: 1. 3.0D or irregular 3. Dry eye severe enough to affect keratometry despite topical lubricant treatment 4. Ocular co-morbidity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Visual acuity 2. Corneal astigmatism Unaided vision will be measured 2 weeks after the operation Optician sight test will be carried out 6 weeks after the operation | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual satisfaction score will be measured 6 weeks after the operation | — |
Countries
United Kingdom
Outcome results
None listed