Clinical trials: Ametropia
Cataract, Presbyopia
Comparative Analysis of the Visual Performance and Patient Satisfaction After Cataract Surgery With Implantation of a Medicontur Monofocal (877PAY) or a Medicontur Extended Depth of Focus (877PEY) IOL
The purpose of this multi-center, prospective, randomized, comparative clinical investigation was to evaluate and compare the visual performance at far, intermediate and near distances, the presence of photopic phenomena and…
- Conditions
- Cataract, Presbyopia, Ametropia
- Trial name
- NCT06642779
- Testing
- VFQ- 25 (Visual Function Questionnaire), Optical Biometry, Slit lamps / Fundoscopy / Biomicroscopy
- Where
- 3 sites in Hungary
- Volunteers
- 64 people
- Sponsor
- Medicontur Medical Engineering Ltd
Ptosis, Macular Degeneration
Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues
The purpose of this study is to compare the results of vision tests that are algorithmically derived and delivered through a virtual reality headset with those delivered through the existing technology standards (eg.
- Conditions
- Ptosis, Macular Degeneration, Ametropia
- Trial name
- RTS1 (NCT04714424)
- Testing
- Virtual Reality Headset
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Refractive Ametropia
The Clinical Performance of Two Reusable Silicone Hydrogel Contact Lenses
The purpose of this study is to assess the clinical performance of two reusable silicone hydrogel contact lenses when worn on a daily wear basis.
- Trial name
- NCT05766787
- Testing
- Serafilcon A contact lenses, Senofilcon A contact lenses, CLEAR CARE
- Where
- 15 sites in United States
- Volunteers
- 190 people
- Sponsor
- Alcon Research
Refractive Ametropia
Clinical Evaluation of a Manufacturing Process for a Frequent Replacement Silicone Hydrogel Multifocal Contact Lens
The purpose of this clinical trial was to evaluate the clinical performance of a manufacturing process on a frequent replacement multifocal contact lens.
- Trial name
- NCT05765227
- Testing
- Lehfilcon A multifocal contact lenses, Lotrafilcon B multifocal contact lenses, Hydrogen peroxide-based cleaning and disinfection system
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Alcon Research
Ametropia
Safety and Efficacy of Different Add Powers With a New Presbyopic Lasik Treatment Algorithm
This is a prospective, comparative, randomized, controlled, open-label, single-surgeon, single-center PMCF clinical study whereby presbyopic patients undergoing refractive surgery will receive a SUPRACOR treatment for the…
- Trial name
- NCT04617080
- Testing
- SUPRACOR Regular, SUPRACOR Strong
- Where
- Philippines
- Volunteers
- 60 people
- Sponsor
- Bausch & Lomb Incorporated
Ametropia
Clinical Evaluation of Two Daily Disposable Lenses in Sphere Design
This was a single-blind, interventional, prospective, direct refit, bilateral wear, fixed-sequence crossover study.
- Trial name
- NCT05516082
- Testing
- Lens A, Lens B
- Where
- Mexico
- Volunteers
- 41 people
- Sponsor
- CooperVision, Inc.
Eye Diseases, Ametropia
Comparison of Subjective Refraction Measurement With SiVIEW Software and by an Expert
Main objective Show that the equivalent sphere refraction measurements obtained by the SiVIEW software have no significant clinical difference with those obtained by an optometrist expert.
- Trial name
- NCT04185701
- Testing
- SiVIEW software, Expert
- Where
- France
- Volunteers
- 111 people
- Sponsor
- SiVIEW
Astigmatism, Ametropia
Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses
The primary purpose of this study is to demonstrate noninferiority in the visual acuity at distance when wearing PRECISION1™ for Astigmatism (P1fA) soft contact lenses compared to another commercially available, soft toric…
- Conditions
- Astigmatism, Ametropia, Myopia
- Trial name
- NCT05483127
- Testing
- Verofilcon A toric soft contact lenses, Stenfilcon A toric soft contact lenses
- Where
- 11 sites in United States
- Volunteers
- 153 people
- Sponsor
- Alcon Research
Ametropia
Evaluation of Disinfecting Solutions and Protein Remover With a Silicone Hydrogel Lens
The purpose of this study is to determine if reduced lens deposits and increased comfort can be achieved by using Multipurpose disinfecting solutions (MPDS) in a no-rub format but in conjunction with an intensive cleaner, rather…
- Trial name
- NCT00754338
- Testing
- Alcon Opti-Free® RepleniSH® with Supraclens®, Alcon Opti-Free® RepleniSH®, B&L ReNu MultiPlus™
- Where
- Canada
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Ametropia
Evaluation of Monthly Replacement Lenses in Habitual Soft Contact Lens Wearers Who Report Frequent Digital Devise Use
To evaluate the clinical performance of two monthly silicone hydrogel contact lenses in habitual wearers of frequent replacement (FRP) lenses when worn for 1-month.
- Trial name
- NCT05166902
- Testing
- Lens A (comfilcon A lens), Lens B (lehfilcon A lens)
- Where
- 4 sites in United States, Canada
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia, Amblyopia
Myopia Control With Three Lever Irradiance of PBM Therapy in Children and Adults
Photobiomodulation therapy, that is, Low-level red-light technology provides a new and innovative myopia control approach. This strategy enables relatively high energies of light to be delivered at much shorter durations of…
- Conditions
- Myopia, Amblyopia, Refractive Error - Myopia Axial, Ametropia
- Trial name
- MCPT (NCT05957458)
- Testing
- Airdoc device of red light for Myopia
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Refractive Ametropia
Assessment of an Investigational Frequent Replacement Silicone Hydrogel Lens
The purpose of this clinical trial is to evaluate the safety and performance of an investigational soft contact lens compared to a commercially available soft contact lens when worn in an extended wear modality.
- Trial name
- NCT04085328
- Testing
- LID015385 soft contact lenses, Comfilcon A soft contact lenses
- Where
- 42 sites in United States
- Volunteers
- 675 people
- Sponsor
- Alcon Research
Refractive Ametropia, Hyperopia
Air Optix Night and Day Aqua (AONDA) Retrospective Study 1
The purpose of this study is to assess long term performance and safety of AONDA in a real world setting when worn as daily wear or continuous wear for vision correction.
- Conditions
- Refractive Ametropia, Hyperopia, Myopia
- Trial name
- NCT05790928
- Testing
- Lotrafilcon A spherical contact lenses
- Where
- 4 sites in United States
- Volunteers
- 108 people
- Sponsor
- Alcon Research
Refractive Errors, Ametropia
Clinical Performance of Two Commercial, Daily Disposable Contact Lenses
The purpose of this study is to compare the clinical performance of DAILIES TOTAL1 ( DT1) contact lenses with Infuse contact lenses.
- Conditions
- Refractive Errors, Ametropia, Myopia
- Trial name
- NCT05010512
- Testing
- Delefilcon A contact lenses, Kalifilcon A contact lenses
- Where
- 8 sites in United States
- Volunteers
- 112 people
- Sponsor
- Alcon Research
Refractive Errors, Ametropia
Clinical Performance of Two Daily Disposable Toric Soft Contact Lenses
The purpose of this study is to compare the clinical performance of PRECISION1™ for Astigmatism (P1fA) contact lenses with 1-DAY ACUVUE MOIST® for ASTIGMATISM (AMfA) contact lenses.
- Conditions
- Refractive Errors, Ametropia, Astigmatism
- Trial name
- NCT04908488
- Testing
- Verofilcon A toric contact lenses, Etafilcon A toric contact lenses
- Where
- 8 sites in United States
- Volunteers
- 115 people
- Sponsor
- Alcon Research
Ametropia
Safety and Efficacy of a New Transepithelial Photorefractive Keratectomy Treatment
This is a prospective, comparative, randomized, controlled, single-blind, single-surgeon, single-center PMCF clinical study whereby participants undergoing refractive surgery for correction of ametropia will receive a…
- Trial name
- NCT04698174
- Testing
- Transepithelial Photorefractive keratectomy (tPRK) without laser polishing, Transepithelial Photorefractive keratectomy (tPRK) with laser polishing, Standard Photorefractive keratectomy (PRK)
- Where
- Philippines
- Volunteers
- 39 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia, Ametropia
Clinical Comparison of Two Daily Disposable Contact Lenses - Pilot Study 3
The purpose of this study is to evaluate the overall performance of PRECISION1™ contact lenses when compared to INFUSE™ contact lenses.
- Trial name
- NCT04942925
- Testing
- Verofilcon A contact lenses, Kalifilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 60 people
- Sponsor
- Alcon Research
Refractive Errors, Ametropia
Clinical Comparison of Two Daily Wear Frequent Replacement Silicone Hydrogel Soft Contact Lenses
The primary objective of this study is to evaluate the overall performance of an investigational silicone hydrogel lens when compared to ACUVUE OASYS® with HYDRACLEAR® PLUS (AOHP).
- Trial name
- NCT04532099
- Testing
- Lehfilcon A contact lenses, Senofilcon A contact lenses, Comfilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 132 people
- Sponsor
- Alcon Research
Ametropia, Myopia
Apioc Contact Lens Feasibility
This clinical trial will document the feasibility of the Apioc lens design by assessing which lens shape parameters yield successful on-eye-fit and movement of the Apioc contact lens design and evaluate the subjectively-reported…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT03688672
- Testing
- Apioc Contact Lens Design
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Ametropia
Prospective Study Evaluating Dry Eye in Patients Operated on for Ametropia by LASIK Surgery and Treated With REPADROP
LASIK is a refractive surgery technique widely used in France. Postoperatively, the classic treatment after LASIK consists of instilling drops to reduce dry eyes.
- Trial name
- PREPADROP (NCT04654455)
- Testing
- Describe the evolution of dry eye between 1 month and 3 months post-LASIK
- Where
- France
- Volunteers
- 10 people
- Sponsor
- Hospices Civils de Lyon