- not yet recruitingNA
The VIS Opti-K Low Vision Aid Device Provides Vision Improvement.
This study is testing a new device called the VIS Opti-K. It's for people aged 40 and over who have common vision problems like blurry close-up vision (presbyopia) or blurry distance vision (hyperopia). The goal is to see if this device can help improve their eyesight.
United States · Canada - completed
Contrast sensitivity measurement validation testing program
This study looks at how well two eye tests measure changes in eyesight for people with presbyopia, a common age-related condition making it harder to focus on close objects. It aims to improve how we test vision for new eye care solutions.
United Kingdom · England