Cataract Eye Diseases Cataract
Conditions
Interventions
Bilateral intraocular lens implant with either TECNIS ZM000 multifocal or Bausch and Lomb Akreos AO monofocal intraocular lenses.
Sponsors
Moorfields Eye Hospital NHS Foundation Trust (UK)
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients requiring bilateral cataract surgery with good visual potential and a full visual field in each eye 2. Age range 30 to 90 years 3. Biometry indicating IOL power requirement within the range +10 to +30D for emmetropia (0.00 to -0.50D spherical equivalent) in both eyes
Exclusion criteria
Exclusion criteria: 1. Patients aiming for a refractive result other than bilateral emmetropia (0.00 to -0.50D spherical equivalant) or emmetropia in one eye and low myopia in the other, i.e., the intended monovision outcome 2. Significant co-pathology (including macular pathology, glaucoma, uveitis, corneal disease, diabetic retinopathy, previous retinal detachment surgery) 3. Keratometric astigmatism 1.5D in either eye 4. Amblyopia 5. Congenital or traumatic cataracts 6. Poor comprehension of written or spoken English 7. Inability to give informed consent 8. Mobility, tremor or postural problems causing discomfort during slit lamp examination
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| 1. Visual Function 14-question (VF14) questionnaire 2. Near visual acuity 3. Reading speed 4. Binolcular Logarithm of the Minimum Angle of Resolution (LogMAR) acuity 5. Binocular Pelli Robson contrast sensitivity - photopic and dark adapted 6. Procyon pupillometry 7. Forward light scatter - van den Berg forward light scatter test 8. Wavefront aberrations - Shack Hartmann aberrometry | — |
Primary
| Measure | Time frame |
|---|---|
| Percentage of patients with total spectacle independence | — |
Countries
United Kingdom
Outcome results
None listed