Presbyopia
Conditions
Keywords
Depth and focus
Brief summary
Clinical outcome of extended-depth-of-focus trifocal intraocualr lens (Triumf) implantation
Interventions
Triumf is intraocular lens which offers multifocal vision by extended depth of focus and diffractive optics.
Sponsors
Study design
Eligibility
Inclusion criteria
1. Adult at the age of 21 or older at the time of the pre-operative examination and willing to have surgery on their 2nd eye within 7-28 days of their 1st eye 2. Age-related cataract 3. A patient with preoperative corneal astigmatism from IOL Master less than 1 diopters 4. A patient want presbyopia correction at the same time as cataract surgery 5. A patient has the visual potential of 20/25 or better in each eye after cataract removal and IOL implantation 6. Written informed consent to surgery and participation in the study
Exclusion criteria
1. Those with other diseases that can affect capsule stability such as pseudoexoliation syndrome, glaucoma, traumatic cataract 2. Pregnant woman and lactating woman 3. A patient with history of ocular trauma or ocular surgery (Intraocular surgery, refractive surgery, ocular surface surgery) in either eye 4. A patient with evidence of keratoconus or significant irregular astigmatism on pre-operative topography in either eye 5. If expectations for presbyopia correction are too high 6. Those who are not able to read and understand the informed consent (illiterate or foreigners)
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Uncorrected distant visual acuity | 3 months | Visual acuity at distant with bare eyes |
| Uncorrected near visual acuity | 3 months | Visual acuity at near with bare eyes |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Contrast sensitivity | 3 months | Ability to recognize figure or letter at different contrast environment |
| Quality of Vision | 3 months | Degree of various symptoms associated with vision |
Countries
South Korea