Eye drops aim to banish night vision problems after laser surgery
NCT ID NCT07140783
First seen Nov 01, 2025 · Last updated May 16, 2026 · Updated 27 times
Summary
This study tests whether a daily eye drop called Phentolamine can help people who had laser eye surgery (like LASIK) and now have trouble seeing in dim light. About 200 adults will use either the active drop or a placebo for two weeks. The main goal is to see if the drops improve low-light vision enough to read three extra lines on an eye chart.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Arizona Eye Care
RECRUITINGChandler, Arizona, 85224, United States
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California Eye Specialists Medical Group
RECRUITINGPasadena, California, 91107, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Carrot Eye Center
RECRUITINGMesa, Arizona, 85202, United States
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Durrie Vision
RECRUITINGOverland Park, Kansas, 66210, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Eye Doctors of Arizona
RECRUITINGPhoenix, Arizona, 85028, United States
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Eye Health Vision Center
RECRUITINGSouth Dartmouth, Massachusetts, 02747, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Eye Research Foundation
RECRUITINGNewport Beach, California, 92663, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Glaucoma Specialist of South Florida
RECRUITINGDelray Beach, Florida, 33484, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Global Research Management
RECRUITINGGlendale, California, 91204, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Gordon Schanzlin New Vision
RECRUITINGLa Jolla, California, 92037, United States
Contact Email: •••••@•••••
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Hoopes Vision
RECRUITINGDraper, Utah, 84020, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Kannarr Eye Care
RECRUITINGPittsburg, Kansas, 66762, United States
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MRB Eye Care Consultants
RECRUITINGScottsdale, Arizona, 85254, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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NVISION Clinical Research
RECRUITINGSan Diego, California, 92117, United States
Contact Email: •••••@•••••
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Northeast Eye Research Associates
RECRUITINGWoburn, Massachusetts, 01801, United States
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Oculus Research
RECRUITINGGarner, North Carolina, 27529, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Scripps Poway Eyecare and Optometry
RECRUITINGSan Diego, California, 92130, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Segal Drug Trials
RECRUITINGDelray Beach, Florida, 33484, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Virdi Eye Clinic
RECRUITINGRock Island, Illinois, 61201, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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West Bay Eye Assoc.
RECRUITINGWarwick, Rhode Island, 02888, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Wolsten and Goldberg Eye Assoc.
RECRUITINGTorrance, California, 90505, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Wyse Eyecare
RECRUITINGNorthbrook, Illinois, 60062, United States
Contact Email: •••••@•••••
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Zillan Clinical Research
RECRUITINGHouston, Texas, 77082, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
Explore the condition pages connected to this study.