Prospective Clinical Trial of Unilateral or Bilateral Implantation of TecnisSymfony IOL in Catara… (NCT03501654) | Clinical Trial Compass
UnknownNot Applicable
Prospective Clinical Trial of Unilateral or Bilateral Implantation of TecnisSymfony IOL in Cataract Patients With Presbyopia
South Korea20 participantsStarted 2017-02-17
Plain-language summary
This is to evaluate the satisfaction of patient and physician about short-distance, medium-distance, long-distance postoperative vision and eyeglass dependence, glare, and visual acuity after insertion of the TECNIS® Symfony or TECNIS® Symfony Toric intraocular lens.
Who can participate
Age range16 Years
SexALL
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Inclusion Criteria:
* Patients with unilateral or bilateral cataract
* Sixteen years and older
* Regular corneal topography and corneal astigmatism
* Corneal astigmatism 0.75 Diopter and less for TECNIS® Symfony IOL, and between 1.0 and 3.62 Diopter for TECNIS® Symfony toric IOL
Exclusion Criteria:
* Pregnant or nursing women
* In the presence of other ocular diseases that may affect the stability of the lens capsule (pseudoexfoliation syndrome, glaucoma, traumatic cataract, Malfan syndrome, etc.)
* White cataract
* Patients who need intraocular lens outside of range
* In the presence of other ocular diseases that is expected to have a poor final visual acuity of less than 20/30 after surgery (amblyopia, strabismus, keratoconus, etc.)
* Pupil abnormality (non-reactive pupil, tonic pupils, abnormally shaped pupils, etc.)
* Patients using systemic or ocular medication that affect visual acuity.
* Patients who had previously undergone refractive surgery.
* Patients participating in other clinical trials during the study.
What they're measuring
1
Change of visual acuity at near, intermediate and far
Timeframe: preoperative(last outpatient follow-up before the surgery), 1 month after surgery, 3 months after surgery.