Cataracts/near vision/intra-ocular lens Eye Diseases Other cataract
Conditions
Interventions
Crystalens® HD vs standard monofocal IOL
Participants and outcome assessors will be blinded to participant allocation.
Sponsors
Guy's and St Thomas' NHS Foundation Trust (UK)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Both males and females, aged 18 years or older 2. Documented diagnosis of bilateral cataract requiring surgery 3. Potential visual acuity of 6/12 or better in both eyes 4. Patients who require an IOL in the range of 10-30 dioptres 5. Corneal astigmatism less than/equal to 1.0 dioptres after cataract surgery 6. Patients willing and able to provide informed consent and able to attend follow-up appointments
Exclusion criteria
Exclusion criteria: 1. Any coexisting ocular disease 2. Treatment with any ocular medication apart from artificial tear drops 3. Patients who are not fluent in English 4. Females of childbearing potential who are currently pregnant or breastfeeding
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual acuity All primary and seconadry outcomes will be assessed at 1, 3, 6, 12 and 24 months. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Refraction 2. Objective optical image quality 3. Posterior capsule opacification 4. Measurement of IOL position 5. Contrast sensitivity 6. Objective and subjective measure of accommodation 7. Pupil size All primary and seconadry outcomes will be assessed at 1, 3, 6, 12 and 24 months. | — |
Countries
United Kingdom
Outcome results
None listed