Clinical trials: Presbyopia Condition
Presbyopia, Near Vision
Comparative Study and Validation of New Methodologies for Measuring Addition
The aim of this research is to collect comprehensive data on a presbyopic population that may require near vision correction, in order to identify the most useful tests to accurately determine the value of an addition.
- Conditions
- Presbyopia, Near Vision, Refraction Error
- Trial name
- NCT06963138
- Testing
- Visual Acuity, Objective refraction, Standard Subjective refraction
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Essilor International
Presbyopia, Ametropia
Clinical Trial With Artiflex Presbyopic (Artiplus)
The purpose of this clinical trial is to evaluate the effectiveness and safety of the multifocal Artiflex Presbyopic (Artiplus) intraocular lens.
- Conditions
- Presbyopia, Ametropia, Refractive Errors, Myopia
- Trial name
- NCT04632784
- Testing
- Artiflex Presbyopic (Artiplus) implantation
- Where
- 7 sites in South Korea, Spain
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
Cataract, Presbyopia
Clinical Trial With PRECIZON Presbyopic
The purpose of this clinical trial is to evaluate the effectiveness of the PRECIZON Presbyopic.
- Trial name
- NCT02409771
- Testing
- PRECIZON Presbyopic
- Where
- 6 sites in Belgium, Germany and 3 more
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
Presbyopia, Refractive Error
Dispensing Study to Assess Visual Performance of Prototype Contact Lenses
The aim of this study is to assess visual performance of prototype soft contact lens designs compared to commercially available contact lenses over one-week of lens wear.
- Trial name
- NCT02214797
- Testing
- Etafilcon A, Lotrafilcon B , Senofilcon A
- Where
- Australia
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Presbyopia, Refractive Errors
VisionApp - Refraction and Presbyopia
Recent Android mobile device technology is available which allows user-measured refractive error and reading add power. This technology could be quite useful to the clinical and research community.
- Trial name
- NCT07570602
- Testing
- VisionApp
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Indiana University
Myopia, Hyperopia
Clinical Investigation of the Vision-R800 Device.
Randomized, bilateral, cross-over dispensing study of a standard and VR800 refraction and associated spectacle lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism, Presbyopia
- Trial name
- NCT04208750
- Testing
- Vision R-800 Phoropter, Standard Phoropter
- Where
- United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Pete Kollbaum, OD, PhD
Presbyopia, Near Vision
Phase 3 Safety Study of LNZ100 and LNZ101 for the Treatment of Presbyopia Subjects
Safety Study of the Long-Term Safety of LNZ100 \& LNZ101 in Presbyopic Subjects
- Conditions
- Presbyopia, Near Vision, Refractive Error, Eye Diseases
- Trial name
- NCT05753189
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Vehicle
- Where
- 40 sites in United States
- Volunteers
- 362 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
Presbyopia
A Dispensing Clinical Trial of Comfilcon A Extended Range Multifocal Lenses
The aim of this study is to validate the clinical of comfilcon A extended range high add center near (CN) multifocal lenses in existing contact lens wearers against the current comfilcon A high add multifocal lenses.
- Trial name
- NCT02719366
- Testing
- comfilcon A Extended Range test lens, comfilcon A control lens
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Presbyopia
Pilocarpine, Brimonidine, Oxymetazoline (PBO) Compound to Control Presbyopia Symptoms
Safety and Efficacy of Pilocarpine, Brimonidine, Oxymetazoline, Hyaluronic acid, Bromfenac (PBOHB) ophthalmic compound to improve uncorrected near vision in healthy presbyopic patients one hour after instillation.
- Trial name
- PBO (NCT05006911)
- Testing
- Pilocarpine, brimonidine, oxymetazoline, hyaluronic acid, bromfenac (PBOHB) compound
- Where
- Mexico
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Optall Vision
Presbyopia
Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle
The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of…
- Trial name
- CZV_PAL1 (NCT01234207)
- Testing
- Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Cataract, Presbyopia
Evaluation of Visual Outcomes in Patients With Complex Corneas Implanted With the IC-8 IOL
The purpose of this study is to evaluate visual outcomes in patients with complex corneas who have been previously implanted with the IC-8 IOL after cataract removal.
- Conditions
- Cataract, Presbyopia, Irregular; Contour of Cornea
- Trial name
- NCT05377515
- Where
- Singapore
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Cataract, Presbyopia
Objective and Subjective Outcomes of a Trifocal IOL in Eyes With Different AL
This prospective cohort study enrolled patients with implantation of a trifocal IOL. Only one eye of each patient was enrolled. Eyes were devided into three groups according the axial length (AL), including the short AL group…
- Conditions
- Cataract, Presbyopia, Lenses, Intraocular, Myopia
- Trial name
- NCT05431868
- Testing
- AT LISA tri 839MP (Carl Zeiss Meditec AG)
- Where
- China
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Refractive Error, Presbyopia
Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses
This is a research study designed to test the utility of D-shaped bifocal lenses and PRIO Computer Lenses for persons using a computer.
- Conditions
- Refractive Error, Presbyopia, Asthenopia, Eyeglasses
- Trial name
- NCT00585026
- Testing
- D-28 bifocal lenses and frame, Progressive addition computer lenses and frame
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Presbyopia
Compound to Control Presbyopia Symptoms
Low dose compose to control presbyopia symptoms
- Trial name
- NCT05006898
- Testing
- PBO to control presbyopia symptoms
- Where
- Mexico
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Optall Vision
Myopia, Myopic Astigmatism
Using the VisuMax Femtosecond Laser System to Perform SMILE Optimized for Presbyopia by Modulation of Postoperative Spherical Aberration
The intended purpose of the investigational device in the study is the correction of myopia and myopia with astigmatism in the CE (Conformité Européene) approved range and optimized for presbyopic patients using the treatment…
- Conditions
- Myopia, Myopic Astigmatism, Presbyopia
- Trial name
- NCT05684237
- Testing
- HiSMILE treatment option
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- London Vision Clinic