PRESBYOPIA

This study is checking the safety of the IC-8 Apthera lens implant after treating a common side effect called posterior capsule opacification (PCO), where the lens capsule becomes cloudy. About 435 adults who already have this lens and develop PCO will be followed for up to 2 yea…

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

This study compares two types of daily disposable multifocal contact lenses to see which one provides better vision for people with presbyopia, an age-related condition that makes it hard to see up close. About 35 adults who already wear soft contact lenses will test both lenses …

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

This study looks at how different types of artificial lighting affect vision in people who have had surgery to fix presbyopia (age-related blurry near vision) with special extended-depth-of-focus lenses. Researchers will measure the minimum light needed for clear distance vision …