A six month clinical evaluation of the Toric Multifocal Intraocular Implant after cataract or lens replacement surgery
- Conditions
- Presbyopia and astigmatismEye Diseases
- Registration Number
- ISRCTN10869381
- Lead Sponsor
- Viewpoint Vision Services Ltd
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 20
1. Male or female adults
2. Aged 21 to 80 years
3. Patient's who wish to be free of spectacles
4. Best distance corrected visual acuity projected to be better than 0.2 logMAR postoperatively (= 20/32 Snellen or 0.63 decimal)
5. Axial Length (AL) 6. Angle kappa<0.55mm (central optical zone of 1.11mm/2) measured with the wavefront iTrace aberrometer
7. Pupil size large enough to visualise the toric axis markings
8. Availability, willingness and sufficient cognitive awareness to comply with examination procedures
9. Signed informed consent
10. Patients suitable for Refractive lens exchange as a procedure to correct their refractive error
1. Previous corneal or intraocular surgery
2. Corneal Pathology
3. uncontrolled glaucoma
4. Pseudoexfoliation syndrome
5. Retinal Detachment
6. Macular degeneration
7. Retinopathy
8. Evidence of previous uveitis
9. Amblyopia
10. Any pupil abnormalities
11. Previous ocular trauma
12. Patients with insufficient cognitive ability to undergo pre operative and post operative tests and assessments or unable to sign consent form themselves
13. Any per operative complications or deviation from the standard procedure
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method