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.


For Individuals Experiencing Loss of Reading Vision: Research Study in Presbyopia Recruiting Participants Now (Currently Enrolling)

Are you between the ages of 45 and 55 years old? Do you need glasses or contacts to see nearby objects?

For anyone who answered “yes” to the questions above and would be interested in more information about participating in this research study of an investigational drug to treat presbyopia – please complete the form below, and we will contact you with more information.
Participation is voluntary, and those who qualify and choose to move forward will be required to make 15 practice visits during the course of the study.

Dry Eye Study (Currently Enrolling)

Our office is involved in a Dry Eye Study to evaluate people who have moderate to severe dry eye signs and symptoms. To learn more about this study, please call (210) 585-2020 and ask to speak to The Research Department, or complete the form below.

Glaukos Study(Currently enrolling)

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.

Johnson & Johnson Vision Study (Currently enrolling)

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.


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

Dr. Gregory Parkhurst has either authored or reviewed and approved this content.