Clinical trials: Visual Disturbance
Pseudophakia
The Effects of Angle Kappa on Clinical Outcomes With the PanOptix Intraocular Lens
Angle Kappa is considered a potential factor in explaining suboptimal outcomes with intraocular lenses (IOLs), particularly multifocal IOLs. Some evidence suggests this is not the case.
- Trial name
- NCT04242875
- Testing
- Angle Kappa, Visual disturbance questionnaire.
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Mesopic Vision, Night Vision Loss
Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances
Safety and efficacy of 0.75% Phentolamine Ophthalmic Solution to improve mesopic low contrast visual acuity in subjects with post-refractive surgery visual disturbances.
- Trial name
- LYNX-2 (NCT06349759)
- Testing
- phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist
- Where
- 25 sites in United States
- Volunteers
- 200 people
- Sponsor
- Opus Genetics, Inc
Aphakia
Clinical Investigation of the AcrySof IQ Vivity Extended Vision Intraocular Lens (IOL)
The purpose of this study is to compare the visual disturbance profile of an intraocular lens (IOL) using nondiffractive optics, the VIVITY IOL, to two diffractive IOLs in subjects requiring bilateral cataract surgery.
- Trial name
- NCT04098367
- Testing
- VIVITY, SYMFONY, AT LARA
- Where
- 12 sites in Australia, New Zealand
- Volunteers
- 222 people
- Sponsor
- Alcon Research
Perception Disturbance, Visual Suppression
Visual Surround Suppression and Perceptual Expectation Under Psilocybin
The prospective pilot study will address the critical need for more precise characterizations of the acute visual effects of the drug psilocybin by measuring the impact of acute psilocybin intoxication on a perceptual task known…
- Conditions
- Perception Disturbance, Visual Suppression, Psychedelic Experiences
- Trial name
- NCT04424225
- Testing
- Psilocybin, Niacin
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Minnesota