Author: Gary Wortz MD

Glasses after cataract surgery are corrective lenses prescribed to address residual refractive needs that an intraocular lens (IOL) alone may not fully resolve. Most patients achieve significantly...

A refractive surprise is an unexpected postoperative refractive outcome that deviates meaningfully from the targeted refraction after eye surgery, encompassing residual myopia, hyperopia,...

“Perfect vision” after cataract surgery is a widely held expectation, but the clinical standard for a successful outcome is 20/40 visual acuity, not 20/20. Most patients achieve...

A lifestyle lens is an advanced technology intraocular lens (IOL) implanted during cataract surgery to correct vision at multiple distances and reduce dependence on glasses. Also called premium...

20/20 vision is a Snellen acuity measurement that captures the eye’s ability to resolve fine detail at a fixed distance; it is not a complete measure of visual health or surgical success...

The sharpness-versus-range trade-off in cataract lenses is the optical compromise every intraocular lens (IOL) must make between peak image clarity at one distance and functional vision across...

Mix-and-match refers to using different types of IOLs in each eye to leverage their respective strengths. For example, one common strategy: put an EDOF lens (extended depth of focus) in the...

Monovision for cataract surgery is a refractive strategy where one eye receives an intraocular lens targeted for distance vision and the other eye receives a lens targeted for near vision, allowing...

Vision enhancement after cataract surgery is a secondary procedure performed to correct residual refractive error that remains after the original lens implant heals into place. These procedures...

Despite careful measurements, once in a while the post-op result isn’t exactly what we aimed for – this is called a refractive surprise. For instance, we intended for you to be plano (distance...