Clinical trials: Error, Refractive
Hyperopia
Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
The purpose of this U.S. Clinical Trial on treatment of sighted eyes is to investigate the safety and effectiveness of optimal keratoplasty (Opti-K™) treatments for hyperopia correction using the NTK Enterprises (NTK) Opti-K…
- Trial name
- NCT01028937
- Testing
- Optimal Keratoplasty
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- NTK Enterprises, Inc.
Refractive Errors
Measurement of Refractive SE Following Implantation of LS313 MF30 IOL
This Study determines the most precise method for measuring post-operative refraction following implantation of the asymmetric multifocal LS-313 MF30 comparing the results of Refraction of the different Autorefractor Keratometers…
- Trial name
- NCT03292614
- Testing
- Measurements of the postoperative refraction
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- Dietrich-Bonhoeffer-Klinikum
Myopic Astigmatism
Efficacy and Safety of CLEAR in Myopia and Astigmatism in Chinese Population
In this multicenter, prospective, interventional, single-arm clinical trial, the aim is to determine safety and efficacy of CLEAR using the FEMTO LDV Z8 in Chinese patients in China.
- Trial name
- NCT05229133
- Testing
- CLEAR
- Where
- 4 sites in China
- Volunteers
- 215 people
- Sponsor
- Ziemer Ophthalmic Systems AG
Refractive Errors, Myopia
Air Optix® Night and Day® Aqua Daily Wear
The purpose of this Post-Market Clinical Follow-Up (PMCF) study is to assess long term performance and safety of Air Optix® Night and Day® Aqua (AONDA) contact lenses in a real-world setting when worn as daily wear for vision…
- Conditions
- Refractive Errors, Myopia, Hyperopia
- Trial name
- NCT05976750
- Testing
- Lotrafilcon A contact lenses, Balafilcon A contact lenses
- Where
- United States
- Volunteers
- 102 people
- Sponsor
- Alcon Research
Presbyopia
Safety & Efficacy of the Laser Scleral Microporation Procedure (Philippines)
A minimally invasive procedure for treating presbyopia is being evaluated to determine if there is improvement in near and intermediate vision after treatment.
- Trial name
- NCT04151550
- Testing
- Bilateral Laser Scleral Microporation procedure
- Where
- Philippines
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- ACE Vision Group, Inc.
Myopia
Multi-Centre Clinical Evaluation Of Two Daily Disposable Contact Lenses
The purpose of this study is to compare the subjective performance for handling of two daily disposable contact lenses, stenfilcon A and etafilcon A.
- Trial name
- NCT01707238
- Testing
- etafilcon A, stenfilcon A
- Where
- 7 sites in United Kingdom
- Volunteers
- 100 people
- Sponsor
- CooperVision, Inc.
Presbyopia
Handling Comparison Between Two Contact Lens Types
Subjects will evaluate each study lens in a random order. The lenses will be worn in both eyes for a short period.
- Trial name
- NCT02310126
- Testing
- etafilcon A (multi-focal), etafilcon A (sphere)
- Where
- 8 sites in United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
An Evaluation of the Effectiveness of Dual Focus Soft Contact Lenses in Slowing Mypoia Progression
The purpose of this study is to determine whether a new type of soft contact lens with a unique optical design (dual focus) is effective at slowing the progression of myopia (near-sightedness) in children.
- Trial name
- NCT01729208
- Testing
- Dual Focus Soft Contact Lens, Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 144 people
- Sponsor
- CooperVision, Inc.
Choroidal Neovascularization, Myopia, Degenerative
Safety and Efficacy Study of Combretastatin A4 Phosphate to Treat Patients With Choroidal Neovascularization Secondary to Pathologic Myopia
The objectives of this study are to evaluate the safety and efficacy of 3 dose groups (27, 36 and 45 mg/m2) of Combretastatin A-4 Phosphate for the treatment of subfoveal choroidal neovascularization in subjects with pathologic…
- Trial name
- NCT01423149
- Testing
- Combretastatin A-4 Phosphate
- Volunteers
- 23 people
- Sponsor
- Mateon Therapeutics
Cataract, Presbyopia
A Clinical Evaluation of the LensGen Intraocular Lens
A multi-center, open-label, non-comparative clinical trial to assess the safety and efficacy of the LensGen IOL (Juvene IOL) for the treatment of aphakia and presbyopia after removal of the natural crystalline lens due to…
- Trial name
- Grail (NCT05364658)
- Testing
- Juvene IOL
- Where
- 2 sites in Mexico
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- LensGen, Inc.
Myopia
Clinical Comparison of Two Daily Disposable Silicone Hydrogel Soft Contact Lens
The objective of this study is to evaluate a new daily disposable silicone hydrogel soft contact lens by comparing to an existing daily disposable soft contact lens.
- Trial name
- NCT02676258
- Testing
- Si-Hy (olifilcon B), Vistakon (narafilcon A)
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Visco Vision Inc.
Cataract, Lens Opacities
Rotational Stability Analysis of a Toric Monofocal IOL
This is a single-center, prospective PMCF study whereby patients undergoing routine cataract surgery will have monolateral implantation of hydrophilic monofocal toric intraocular lens Ankoris.
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2013 (NCT04933487)
- Testing
- IOL implantation experimental
- Where
- Germany
- Volunteers
- 23 people
- Sponsor
- Beaver-Visitec International, Inc.
Myopia
Silicone Hydrogel Soft Contact Lens 7-Day Extended Wear Basis
The objective of this study is to evaluate the safety and effectiveness of the Bausch + Lomb samfilcon A soft (hydrophilic) contact lens, a new silicone hydrogel contact lens, compared to the Bausch + Lomb PureVision® soft…
- Trial name
- NCT02939950
- Testing
- Bausch + Lomb Samfilcon A Soft Contact Lens, Bausch + Lomb Pure Vision Soft Contact Lens
- Where
- United States
- Volunteers
- 816 people, healthy volunteers welcome
- Sponsor
- Bausch Health Americas, Inc.
Presbyopia
A Study to Evaluate the Product Performance of a Low Add MultiFocal Soft Contact Lens
The objective of this study is to evaluate the product performance of an investigational multifocal low add soft contact lens.
- Trial name
- NCT01539694
- Testing
- LD118033 contact lens, PureVision multifocal contact lens
- Where
- United States
- Volunteers
- 126 people
- Sponsor
- Bausch & Lomb Incorporated
Aphakia, Cataract
A Clinical Study to Evaluate The Safety and Effectiveness of The RxSight Light Adjustable Lens (LAL) In Subjects Desiring an Extended Depth of Focus
The primary objective of this study is to evaluate, for the visual correction of aphakia and presbyopia, the safety and effectiveness of the RxSight Light Adjustable Lens (LAL) to provide an extended depth of focus (improve…
- Conditions
- Aphakia, Cataract, Presbyopia
- Trial name
- NCT04177771
- Testing
- Light Adjustable lens (LAL) and Light Delivery Device (LDD) - Pre-COVID Population, SofPort LI61AO IOL, Tecnis ZCB00 or ZTC150 IOL
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- RxSight, Inc.
Myopia, Astigmatism
Post-approval Study of New Enrolment Patients Undergoing Bilateral Treatment With the VisuMax SMILE Procedure
The objective of the post-approval study (PAS) is to assess patient experience of visual symptoms 6 months after bilateral treatment with the VisuMax SMILE procedure as measured by a patient questionnaire.
- Trial name
- NCT05740293
- Testing
- VisuMax SMILE procedure for the reduction or elimination of myopia with astigmatism
- Where
- 7 sites in United States
- Volunteers
- 186 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Myopia
Clinical Evaluation Of Two Daily Disposable Contact Lenses And A Monthly Replacement Lens
The objective of the study is to compare the clinical performance of silicone hydrogel daily disposable contact lenses, conventional hydrogel daily disposable contact lenses and silicone hydrogel monthly replacement contact…
- Trial name
- NCT01151371
- Testing
- narafilcon B contact lens, nelfilcon A contact lens, lotrafilcon B contact lens
- Where
- 28 sites in United States
- Volunteers
- 452 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Clinical Evaluation of Stenfilcon A Contact Lenses
This study is to evaluate the fitting performance of stenfilcon A contact lens (test) compared to narafilcon A contact lens (control).
- Trial name
- NCT03471832
- Testing
- stenfilcon A lens, narafilcon A lens
- Where
- 4 sites in Japan
- Volunteers
- 40 people
- Sponsor
- CooperVision, Inc.
Myopia
Clinical Comparison of Two Daily Disposable Lenses Among Daily Disposable Lens Wearers
The primary objective of this trial is to evaluate the subjective performance of two different daily disposable contact lenses in a population of daily disposable lens wearers.
- Trial name
- NCT01134211
- Testing
- nelfilcon A, filcon II 3
- Where
- Germany
- Volunteers
- 316 people
- Sponsor
- CIBA VISION
Myopia
Clinical Performance of Existing Wearers of Avaira Sphere Following a Refit With Clariti Elite Sphere
The aim of this dispensing study is to evaluate the clinical performance of existing wearers of Avaira sphere lenses following a refit with Clariti Elite sphere over 4 weeks of daily wear.
- Trial name
- NCT02248727
- Testing
- somofilcon A
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- CooperVision, Inc.