Active clinical trials for "Presbyopia"

The main goal of this study is to evaluate real-world visual outcomes, rotational stability, and patient reported visual disturbances with a non-diffractive extended vision presbyopia and astigmatism correcting intraocular lens in patients with significant corneal astigmatism undergoing bilateral cataract surgery. This is important to ensure optimal results for patients who wish to have intraocular lenses that correct presbyopia and astigmatism, thus giving them a greater independence from spectacles and a better quality of life.

The purpose of this study is to identify ocular biomarkers that can predict the success of phacoemulsification with bilateral AT LISA try 839MP (Carl Zeiss Meditec AG) implantation to achieve satisfactory post-post-operativly spectacle-free vision. Social, biometric and patient reported outcomes will be evaluated.

The aim of this study is to validate the clinical of comfilcon A extended range high add center near (CN) multifocal lenses in existing contact lens wearers against the current comfilcon A high add multifocal lenses.

The aim of this study is to assess the visual performance of multiple optimised prototype soft contact lens designs compared to commercially available contact lenses.

The purpose of this study is to evaluate the visual performance of DAILIES® Aqua Comfort Plus® (DACP) MF contact lens using new objective measurements.

This study will be a prospective, multicenter clinical trial in which a total of 400 subjects will be enrolled. All subjects will be followed over a 36 month time frame with a maximum of 15 clinical sites participating. Qualified subjects will provide informed consent for entry into the study.

The purpose of this study was to compare visual performance measures between two multifocal contact lenses on presbyopic wearers.

The purpose of this trial is to evaluate and compare the clinical performance of two multifocal contact lenses.

The purpose of the study is to compare the visual performance of two soft bifocal contact lenses.

The purpose of this trial is to evaluate the use of multifocal contact lenses in people who use reading glasses only.