Clinical trials: Pupil
Pain, Osteoarthritis
Reliability of Pupil Response to Acute Pain
The purpose of this research study is to test whether researchers can reliably measure the response pupils have when an acute painful stimulus is experienced.
- Trial name
- NCT02628314
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Wake Forest University Health Sciences
Myopia
Side Effects of Atropine (SEA) Study
This study will perform several objective and subjective measurements of the eye and vision before and after a week of using 0.01% concentration atropine drops.
- Trial name
- SEA (NCT03593044)
- Testing
- 0.01% concentration atropine drops
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Jeffrey J. Walline, OD PhD
Mydriasis
Safety and Efficacy of Phenylephrine 2.5%-Tropicamide 1% Microdose Ophthalmic Solution for Pupil Dilation
This study evaluated pupil dilation after administration of fixed combination tropicamide-phenylephrine (TR/PE) vs. phenylephrine (PE) alone and tropicamide (TR) alone. Participants attended 3 visits.
- Trial name
- MIST-1 (NCT03751631)
- Testing
- Tropicamide 1%-Phenylephrine 2.5% ophthalmic solution (TR/PE), Tropicamide 1% ophthalmic solution (TR), Phenylephrine 2.5% ophthalmic solution (PE)
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Eyenovia Inc.
Glaucoma
Is the RAPDx Pupillograph Able to Distinguish Between Glaucoma Subjects and Healthy Subjects?
The Konan RAPDx (Konan Medical USA, Irvine, CA) is a newly patented pupillography device.The aims of this study are to assess the ability of the RAPDx to distinguish between healthy subjects and patients with confirmed glaucoma…
- Trial name
- NCT02526693
- Testing
- Pupillometer
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Anisocoria
Wearing-Off Period of Pharmacological Dilation and Anisocoria
Students at the School of Medicine Greenville will be asked to participate in this study. The aim of this study is to better understand when medical imaging is needed for patients with anisocoria (unequal pupil size).
- Trial name
- NCT05238233
- Testing
- Tropicamide, 1% Pilocarpine, Proparacaine Hydrochloride
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Prisma Health-Upstate
Cataract
Comparison of Epinephrine and Phenylephrine/Ketorolac With Regards to Pupil Size
The objective of this study is to compare the maintenance of intraoperative mydriasis during cataract surgery between two drugs: epinephrine, which has routinely been used for decades, and Omidria, a newly FDA approved…
- Trial name
- NCT02895035
- Testing
- Phenylephrine-ketorolac, Epinephrine
- Volunteers
- 59 people
- Sponsor
- Milton S. Hershey Medical Center
Mydriasis, Dilation
Safety and Efficacy of Nyxol (0.75% Phentolamine Ophthalmic Solution) to Reverse Pharmacologically-Induced Mydriasis
The objectives of this study are: To evaluate the efficacy of Nyxol to expedite the reversal of pharmacologically-induced mydriasis across multiple mydriatic agents with an emphasis on phenylephrine To evaluate the efficacy of…
- Trial name
- NCT04620213
- Testing
- Phentolamine Ophthalmic Solution 0.75%
- Where
- 12 sites in United States
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- Opus Genetics, Inc