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Clinical Trials at Parkhurst NuVision

As part of our commitment to research, Parkhurst NuVision participates in research studies of new vision correction technologies and treatments. See the list of our active research studies below. For more information, call (210) 585-2020 or complete the form at the bottom of this page.

PNV office

Open Enrollment

​Visus:

A randomized drop study for patients who suffer from Presbyopia. The purpose of the drop is to improve near vision.

Vivity:

Study of the Vivity Trifocal Lens in patients who have had post refractive Hyperopic Laser Vision Correction Surgery.

Elios:

The Elios system is used to reduce intraocular pressure in patients with glaucoma undergoing cataract surgery.

B&L

A randomized study for patients diagnosed with nucellar cataracts in both eyes. The patient has the chance of getting a B&L Trifocal lens or a B&L Monofocal lens.

Eyhance

A randomized study for cataract patients. The patient will have the chance of getting a Trifocal or Monofocal Lens.

Oasis

A dry eye study for those diagnosed with dry eye disease currently using artificial tears.

To find out more or see if you qualify please fill out the form below or call (210) 585-2020

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Which types of studies are you interested in? (select all that apply)
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Current Studies

Novartis Presbyopia

This is a randomized drop study for patients suffering from Presbyopia. The purpose of the drops is to improve near vision.

Cequa

Study of the effect of Cequa in subjects with dry eye disease.

Mel90

A clinical study designed for LASIK candidates using the Mel90 laser.

EVO

A multicenter clinical evaluation of the EVO/EVO+ vision implantable collamer lens.

PanOptix

Study of the Panoptix Trifocal Lens in patients who have had post refractive Myopic Laser Vision Correction Surgery

Novartis Dry Eye

A dry eye drop study for patients suffering from dry eye syndrome.

Glaukos Study

A clinical study for people with open-angle glaucoma or high eye pressure. In this study, patients are required to make post op visits and will be compensated for their time.

CORD IOL Study

This study involves a new investigational intraocular lens for patients with cataracts. Patients are required to make post op visits and will be compensated for their time.

Johnson & Johnson Vision Study

This is a post-approval study in patients who will be undergoing cataract surgery with the Symfony Toric IOL. Patients are required to make post op visits and will be compensated for their time.

Sight Sciences TearCare Study

This study is intended for patients suffering from meibomian gland dysfunction and dry eye symptoms. It is a wearable eyelid device that administers gentle heat to assist with providing relief to patients suffering from DES.

Past Studies

Principal Investigator: A Multicenter Clinical Evaluation of the EVO/EVo+ Visian Implantable Collamer Lens. San Antonio, Texas. 2020.

Dr. Saenz PI – Olympia TearCare Randomized, controlled trial to evaluate the safety and effectiveness of the TearCare System in the treatment of the signs and symptoms of dry eye disease (Olympia). San Antonio, Texas. 2019.

Principal Investigator: Post-Approval Study of the TECNIS Symfony Toric Lenses. San Antonio, Texas. 2019.

Principal Investigator: Prospective. Randomized Phase 3 Study Comparing Two Models of a Travoprost Intraocular Implant to Timolol Maleate Ophthalmic Solution, USP, 0.5%. San Antonio, Texas. 2018.

Principal lnvatiptor: Clinical Evaluation of the Small Aperture Extended Depth of Focus lntraocular Lens. San Antonio, Texas. 2018.

Principal Investigator: A Phase 3, Multicenter, Double-Masked, Randomized, Vehicle-­ Controlled, Parallel-Group Study Evaluating the Safety and Efficacy of AGN-190584 in Participants with Presbyopia. San Antonio, Texas. 2018.

Principal Investigator: A Prospective Clinical Trial to Evaluate the Safety and Effectiveness of Model SCCJ Posterior Chamber Silicone lntraocular Lens for Primary Implantation in the Capsular Bag of the Eye for Visual Correction of Aphakia

Secondary to Removal of a Cataractous Lens in Adult Patients with or Without Presbyopia. The IOL is Intended to Improve Near and Intermediate Vision as Compared to a legally Marketed Monofocal IOL. San Antonio, Texas. 2018

Principal Investigator: Prospective, Randomized, Controlled, Parallel Groups, Multicenter Clinical Investigation of the Glaukos Trabecular Miao-Bypass System Model G2-W venus Selective Laser Trabeculoplasty. San Antonio, Texas. 2018.

Principal Investigator: A Prospective Study to Evaluate the Raindrop Near Vision Inlay in Presbyopic Patients Treated with Mitomycin C Following Femtosecond Flap Creation. San Antonio, Texas. February 2017.

Principal Investigator: VSC0-109-HLNS: Oinical Investigation of the Bacterially­ Derived HealonS Ophthalmic Vilcoelutic Device (OVD). San Antonio, Texas. October 2016.

Principal Investigator: Prospective, Randomized, Single-Masked, Controlled, Parallel Groups, Multicenter Clinical Investigation of the Glaukos Trabecular Mi􀀝 Bypass Stent Model GTS400 using the G2-M-IS Injector System in Conjunction with Cataract Surgery. San Antonio, Texas. 2015.

Principal lnvntlptor: Prospective, Randomized, Controlled, Parallel Groups, Multicenter Clinical Investigation of the Glaukos Trabecular Micro-Bypass System Model G2-W versus Selective Laser Trabeculoplasty. San Antonio, Texas. 2015.

Principal Investigator: Prospective, multi-center clinical trial to evaluate the safety and effectiveness of the Revision Optics, Inc., Raindrop Near Vision Inlay for the improvement of near and intermediate vision in pseudophakic subjecm. San Antonio, Texas. 2015.

Principal Investigator: A Prospective, Multi-Center Clinical Trial to Evaluate the Safety and Effectiveness of the Revision Optia, Inc. Presby lens Corneal Inlay for the Improvement of Near Vision in Emmetropic Subjects with Presbyopia. San Antonio, Texas. 2013.

Principal Investigator: A Study of the Safety and Effectiveness of Photochemically Induced Collagen Cross-Linking at the lrradiance of 18mW /cm2 as constant beam or pulsed treatment in eyes with Unstable Corneas due to Keratoconus or Ectasia or Post-incisional Refractive Surgery. San Antonio, Texas. 2013.

Investigator: A Multi-Center, Prospective, Evaluation of Real-Time Images Captured on Aphakic Eyes Utilizing the Optiwave Refractive Analysis Aberrometer (ORA System). Houston, TX. 2013.

Investigator: Evaluation of visual outa>mes and contrast sensitivity after myopic wavefront-optimized LASIK with NEXISVISION shield or bandage contact lens. Houston, TX. 2012.

Investigator: Evaluation of a Modified Disposable Contact Lens patient interface for the LenSx Laser in Cataract and Corneal Surgery. Houston, TX. 2012.

Investigator: Post Photorefractive Keratectomy (PRIC) Use of an Eye Shield for Maintaining Vision and Mitigating Pain. Houston, DC. 2012.

Investigator: A Prospective, Multi-Center Trial to Evaluate LASIK Flap Creation with the LenSx Femtosecond Luer. Houston, TX. 2013.

Investigator: Prospective Safety and Effectiveness Study of PRK for Myopia with or without Astigmatism Using the ALLEGRETTO WAVE EYE-Q Laser System. Houston, TX. 2012.

Investigator: A Multi-Cenm, Randomized, Controlled Evaluation of the Safety and Efficacy of the IOCL System with VibeX (Riboflavin Ophthalmic Solution) for Corneal Collagen Cross-Linking in Eyes with Keratoconus or Corneal Ectasia after Refractive Surgery. Houston, TX. 2013.

Principal Investigator: Prospective, Single-Blind, Non-randomized, IRB Controlled Study of Induced Higher Order Aberrations during the surgical correction of moderate myopia comparing femtosecond flap Wavefront Optimized LASIK with Implantable Collamer Lenses. U.S. Army Medical Department. Fort Hood, Texas. 2010.

Principal Investigator: Prospective, Single-Blind, Non-randomized, IRB Controlled Study of Quality of Vision following the surgical correction of moderate myopia comparing femtosecond flap Wavefront Optimized LASIK with Implantable Collamer Lenses with night vision goggles. U.S. Army Medical Department. Fort Hood, Texas. 2010.