PRESBYOPIA

This study is checking the long-term safety of the IC-8 Apthera lens, which is used during cataract surgery to help with both distance and near vision. After surgery, some people develop a cloudy film behind the lens (called PCO), which is treated with a laser. The study will fol…

This study tests two different daily disposable multifocal contact lenses in 35 adults with presbyopia (age-related difficulty seeing up close). Participants will wear each lens type and have their vision tested to see which one performs better. The goal is to find which lens pro…

This study looks at how people over 40 with presbyopia (age-related blurry near vision) feel about wearing multifocal contact lenses compared to regular contact lenses plus reading glasses. About 30 participants will try both options and say which they prefer. The goal is to see …

This study tests if a new type of contact lens (Total30 multifocal toric) is comfortable for people who already wear reusable toric lenses. About 32 adults aged 40 and older with presbyopia will try the new lenses for one month and rate their comfort and vision. The goal is to se…

This study looks at how comfortable and clear TOTAL30 multifocal contact lenses feel after wearing them for up to 16 hours. About 36 adults aged 40 and older who already wear multifocal lenses will rate their comfort and vision at different times over 30 days. The goal is to see …

This study looks at how different types of artificial lighting affect how well people see after having presbyopia (age-related blurry near vision) corrected with special extended-depth-of-focus lenses. Researchers will measure the minimum light needed for clear distance vision in…