Comparison of Premium Monovision and Bilateral Implantation of Trifocal Diffractive Intraocular Lenses

"All participants will be assessed on the following clinical indexes:~1. Binocular uncorrected distant visual acuity (bUDVA) at four meters distance~2. Binocular uncorrected intermediate reading acuity (bUIRA) at 60 cm~3. Binocular uncorrected near reading acuity (bUNVA) at 40 cm~4. Binocular uncorrected intermediate Critical Print Size (bUICPS) at 60 cm~5. Binocular uncorrected near Critical Print Size (bUNCPS) at 40 cm~All the above parameters are obtained using the Democritus Digital Acuity \& Reading Test (DDART)."

Contrast sensitivity is assessed with the Pelli-Robson test.