My Standpoint on Monovision as a Cataract ... | 合法醫療器材資訊網

Patientsintheirfifthdecadeconsideringcontactlenses,laserrefractivesurgery,orcataractsurgerywillrequireglassesfornearandintermediatevisionifthey ...

The ability to accommodate for near and intermediate visual tasks greatly diminishes with age due to the onset of presbyopia. Patients in their fifth decade considering contact lenses, laser refractive surgery, or cataract surgery will require glasses for near and intermediate vision if they achieve emmetropia and excellent distance UCVA in both eyes.

Monovision has been widely practiced, historically with contact lens correction and more recently with LASIK to assist with near UCVA after refractive surgery. However, the largest group of patients who are suitable for monovision are those undergoing cataract surgery.

Although multifocal implants are an alternative to monovision, the patient compromises visual quality and may experience dysphotopsia, such as halos, which some patients find unacceptable. An accommodating IOL would be ideal, but the efficacy and refractive outcomes of todays...