Clinical trial NCT06567834: Clinical Evaluation and Comparison of the Tecnis Symfony Optiblue and Tecnis Symfony IOLs
Official title: Clinical Evaluation of Violet Light Filtration and High-resolution Lathing on a Diffractive Extended Depth of Focus Intraocular Lens (IOL)
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Cataract
Presbyopia
Keywords: Extended Depth of Focus IOLs
Dysphotopsia
Low Contrast Vision
Presbyopia Correction
Halos
Starbursts
Lead sponsor: Empire Eye and Laser Center
Sponsor class: OTHER
Collaborators: name: Johnson & Johnson Surgical Vision, Inc.
First posted: 2024-08-23
Enrollment: 60
Sex: ALL
Minimum age (years): 22
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Intervention model description: Eligible subjects were randomly assigned 1:1 to bilateral implantation with either Tecnis Symfony Optiblue/Tecnis Symfony Optiblue Toric (ZXR00V/ZXW150) or Tecnis Symfony/Tecnis Symfony Toric (ZXR00/ZXT150).
Primary purpose: TREATMENT

Brief summary: The goal of this clinical study is to compare the Tecnis Symfony Optiblue intraocular lens implant to the Tecnis Symfony intraocular lens implant in patients over 22 years old with cataracts in both eyes. The main questions it aims to answer are:

Which lens has less nighttime side effects? Which lens has higher patient satisfaction?

Participants will undergo a minimum of 7 study visits where they will complete a variety of vision tests and vision questionnaires.

Detailed description: This is 6 month, prospective, single center, subject/evaluator masked, bilateral, randomized clinical investigation of the TECNIS Symfony Model ZXR00V/ ZXW150 IOLs versus the TECNIS Symfony Model ZXR00/ZXT150 control IOL.

The study will enroll approximately 60 subjects to achieve approximately 54 randomized and bilaterally implanted subjects, resulting in approximately 25 evaluable subjects in each lens group at 6 months. Subjects are to be implanted with the same IOL in both eyes, the ZXR00V/ZXW150 or the ZXR00/ ZXT150 control IOL. The eye implanted first will be considered the primary study eye.

Surgeons will perform routine, small-incision cataract surgery and implant the study lenses using an implantation system qualified by the respective manufacturer for use with that IOL. The target for refractive outcomes will be emmetropia for both eyes.

All subjects will undergo a minimum of 7 study visits: Preoperative for both eyes; Operative for each eye; 1 week first eye and second eye, 1 month and 6 month visits for both eyes together.

The primary endpoint is patient reported nighttime dysphotopsia symptoms as measured by the PRVSQ v2 questionnaire.

The secondary endpoints are 25% low contrast visual acuity with glare and patient satisfaction.

OTHER ENDPOINTS

* Monocular photopic uncorrected distance visual acuity (UCDVA)
* Binocular UCDVA and uncorrected near visual acuity (UCNVA) at 40 cm
* 10% and 25% low contrast acuity without glare
* Residual refractive error
* Natural binocular reading distance
* Distance of subjective near blur
* Lens findings/complications
* Spectacle use
* Other ocular/visual symptoms (non-directed chief complaint)
* Patient satisfaction and recommendation
* Time with physician in exam room

Eligibility criteria: Inclusion Criteria:

* All criteria apply to each study eye

  * Minimum 22 years of age
  * Bilateral cataracts for which posterior chamber IOL implantation has been planned
  * Preoperative best corrected distance visual acuity (BCDVA) of 20/40 Snellen or worse with a glare source or 20/40 Snellen or worse without a glare source
  * Potential for postoperative BCDVA of 20/30 Snellen or better
  * Corneal astigmatism:
  * Normal corneal topography
  * Preoperative corneal astigmatism range from 0 D - 2.0 D
  * Clear intraocular media other than cataract in each eye
  * Availability, willingness, and sufficient cognitive awareness to comply with examination procedures
  * Signed informed consent and HIPAA authorization or equivalent documentation necessary to comply with applicable privacy laws pertaining to medical treatment in the governing countries
  * Ability to understand and respond to a questionnaire in English

Exclusion Criteria:

* All criteria apply to each study eye:

  * Requiring an intraocular lens power outside the available range of power
  * Any clinically significant pupil abnormalities (non-reactive, fixed pupils, or abnormally shaped pupils)
  * Irregular corneal astigmatism
  * Inability to focus or fixate for prolonged periods of time (e.g., due to strabismus, nystagmus, etc.)
  * Prior corneal refractive surgery (LASIK, LASEK, radial keratotomy (RK), photorefractive keratectomy (PRK), etc.) or intraocular surgery. Note: Prophylactic peripheral iridotomies and peripheral laser retinal repairs that, in the opinion of the investigator will not confound study outcomes or increase risk to the subject, are acceptable.
  * Corneal abnormalities such as stromal, epithelial, or endothelial dystrophies that are predicted to cause visual acuity losses to a level worse than 20/30 Snellen during the study
  * Inability to achieve keratometric stability for contact lens wearers
  * Recent ocular trauma or ocular surgery that is not resolved/stable or may affect visual outcomes or increase risk to the subject
  * Subject with conditions associated with increased risk of zonular rupture, including capsular or zonular abnormalities that may lead to IOL decentration or tilt, such as pseudoexfoliation, trauma, or posterior capsule defects
  * Use of systemic or ocular medications that may affect vision
  * Prior, current, or anticipated use during the course of the 6 month study of tamsulosin or silodosin (e.g., Flomax, Flomaxtra, Rapaflo) that may, in the opinion of the investigator, confound the outcome or increase the risk to the subject (e.g., poor dilation or a lack of adequate iris structure to perform standard cataract surgery)
  * Poorly controlled diabetes
  * Acute, chronic, or uncontrolled systemic or ocular disease or illness that, in the opinion of the investigator, would increase the operative risk or confound the outcome(s) of the study (e.g., immunocompromised, connective tissue disease, glaucomatous changes in the fundus or visual field, ocular inflammation, etc.). Note: controlled ocular hypertension without glaucomatous changes (optic nerve cupping and visual field loss) is acceptable.
  * Known ocular disease or pathology that, in the opinion of the investigator,
  * may affect visual acuity
  * may require surgical intervention during the course of the study (macular degeneration, cystoid macular edema, diabetic retinopathy, uncontrolled glaucoma, etc.)
  * may be expected to require retinal laser treatment or other surgical intervention during the course of the study (macular degeneration, cystoid macular edema, diabetic retinopathy, etc.)
  * Patient is pregnant, plans to become pregnant, is lactating or has another condition associated with the fluctuation of hormones that could lead to refractive changes
  * Concurrent participation or participation within 60 days prior to preoperative visit in any other clinical trial
  * Desire for monovision correction

Primary outcomes:
measure: Patient reported nighttime dysphotopsia symptoms
timeFrame: Pre-op visit, 1 month post-op visit, 6 month post-op visit
Secondary outcomes:
measure: Low contrast visual acuity with glare
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Patient overall satisfaction
timeFrame: 1 month post-op visit, 6 month post-op visit
Other outcomes:
measure: Monocular photopic UCDVA
timeFrame: Pre-op visit
measure: Monocular photopic UCDVA
timeFrame: 1 week post-op visit first and second eye, 1 month post-op visit, 6 month post-op visit
measure: Binocular UCDVA
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: UCNVA at 40 cm
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Low contrast acuity without glare
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Residual refractive error
timeFrame: 1 week post-op visit first and second eye, 1 month post-op visit, 6 month post-op visit
measure: Natural binocular reading distance
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Distance of subjective near blur
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Lens findings/complications
timeFrame: 1 day post-op visit first and second eye, 1 week post-op visit first and second eye, 1 month post-op visit, 6 month post-op visit
measure: Spectacle use
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Other ocular/visual symptoms (non-directed chief complaint)
timeFrame: 1 week post-op visit first and second eye, 1 month post-op visit, 6 month post-op visit
measure: Patient satisfaction and recommendation
timeFrame: 1 month post-op visit, 6 month post-op visit
measure: Time with physician in exam room
timeFrame: 1 day post-op visit first and second eye, 1 week post-op visit first and second eye, 1 month post-op visit, 6 month post-op visit
Locations:
city: Bakersfield
country: United States
facility: Empire Eye and Laser Center
state: California
Study officials:
affiliation: Empire Eye and Laser Center
name: Daniel H Chang, MD
role: PRINCIPAL_INVESTIGATOR
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