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See the difference.



MCOA Research 

What is a clinical trial?
A clinical trial is a controlled study of a medication, technology or technique that
shows promise for treating or preventing disease. Before the Food and Drug
Administration (FDA) approves a treatment for widespread use, it must progress
through three stages of clinical trials. By participating in these trials, we’re able to test
exciting new therapies that can potentially improve the lives of our patients.

Why should I sign up for a clinical trial?
Although ophthalmology possesses some truly amazing technology and techniques
to improve vision and eye health, we still have a lot to learn. Many of today’s most
complicated eye diseases, such as diabetic retinopathy, diabetic macular edema, wet
or dry age-related macular degeneration, and uveitis, still lack effective treatments. If
you have one of these diseases, we may suggest that you sign up for a clinical trial in
order to access medications and techniques from the true forefront of eyecare.

What will participation be like?
After you’ve been accepted to a trial, you’ll come in for regular progress evaluations.
We’ll typically run a few tests to maintain a complete picture of your health
throughout the trial, at no cost to you. While the exact testing we do will vary, your
progress checks could include:
• Vision exam
• Eye imaging
• Lab work
• Vitals
• Eye doctor exam

Participants of MCOA clinical research will have the newest treatments available to treat related eye problems. We have an expert team comprised of knowledgeable doctors and staff, who will follow you through the trial process. Many of today’s complex eye diseases are genetic and do not yet have effective treatments. Our research is leading the way for new effective ways to treat current eye diseases. There are many benefits to participating in a clinical trial with us.


MCOA is currently enrolling patients with wet-age related macular degeneration, diabetic retinopathy, and diabetic macular edema.



(210) 697 - 2006



9157 Huebner Rd
San Antonio, TX 78240



M-Th 8a–5p
F 9a–5p


Our doctors

For more than 35 years, MCOA’s experienced eye doctors — each one a general
ophthalmologist and subspecialist — have been providing South Texans world-class medical and
surgical eyecare. Today, we have the respect and trust of our peers, and a reputation as excellent
doctors and regional leaders in comprehensive eyecare backed by genuine compassion.

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Dr. darren j. bell, m.d.
Retina, Macular Degeneration and Diabetic Eye disease 

Medical School
Texas A&M University – College of Medicine
University of Tennessee
Charles Retina Institute - Memphis, Tennessee

I hope to give my patients better vision, an understanding of their condition, reassurance and hope.


Dr. michael singer, m.d.
Retina, Macular Degeneration and Diabetic eye disease

Medical School
Boston University School of Medicine
St. Vincent’s Hospital – New York
Eye Consultants of Atlanta – Piedmont Hospital

“I was originally drawn to eyecare by the chance to profoundly affect someone’s life, and I’m endlessly searching for new therapies that can help my patients.” 


request a visit

Call (210) 697.2006 to see if you qualify for one of our studies!

Name *