Trifocal Diffractive Intraocular Lens After Cataract Extraction With Phacoemulsification

Alexandria University

Status and phase

Completed

Phase 3

Phase 2

Conditions

Refractive Errors

Treatments

Device: Trifocal diffractive intraocular lens

Study type

Interventional

Funder types

Other

Identifiers

NCT04465279

0000755

Details and patient eligibility

About

Multifocal IOLs that maintain distance focus and improve near vision have been developed to reduce spectacle dependence.Multifocal IOLs improve patient performance of near-vision tasks, such as reading crafts, hobbies, and social activities to a greater extent than do monofocal IOLs. However, halos and reduced contrast sensitivity have been associated with multifocal IOLs and are common reasons for patient's dissatisfaction.Trifocal technology has been developed to create intermediate focus to overcome these difficulties. Continuous reports of the visual outcomes of the FineVision trifocal IOLs are encouraging.

Full description

Monofocal IOLs, which provide effective distance vision, currently account for the majority of IOLs implantations. Patients who have undergone cataract surgery with implantation of monofocal IOL may require spectacles to perform near-distance (e.g., reading) or intermediate-distance (e.g., using a computer) tasks depending on their visual demandsMultifocal IOLs that maintain distance focus and improve near vision have been developed to reduce spectacle dependence.Multifocal IOLs improve patient performance of near-vision tasks, such as reading crafts, hobbies, and social activities to a greater extent than do monofocal IOLs. However, halos and reduced contrast sensitivity have been associated with multifocal IOLs and are common reasons for patient's dissatisfaction.Trifocal technology has been developed to create intermediate focus to overcome these difficulties. Continuous reports of the visual outcomes of the FineVision trifocal IOLs are encouraging.

Enrollment

36 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

patient eyes had cataract with no other pathology, patients desire for spectacle independence after surgery and with realistic expectation.

Exclusion criteria

Any ocular comorbidity that affect the end results of the surgery, history of ocular trauma, irregular corneal astigmatism, pupil abnormalities and capsular or zonular abnormalities that may affect postoperative centration as tilt of the lens (e.g. pseudo exfoliation syndrome and Marfan's syndrome).