Press & Updates

Side-by-side comparison of a park pathway at night illustrating the effect of higher-order aberrations. The left side shows severe night vision distortions, including intense starbursts, blurry halos, and scattered glare around streetlights. The right side shows the same scene with perfectly clear, sharp, and corrected vision.

Still Seeing Glare or Light Streaks at Night? Higher Order Aberrations May Be the Cause

Have you recently had your eyes checked or updated your glasses and contact lenses, only to still notice oncoming headlights ...

A person holds a magnifying glass that focuses sunlight from a nearby window into a single bright point on a wooden table.

What Is the Difference Between Regular and Irregular Astigmatism?

What is Astigmatism? If you wear glasses or contacts, there is a good chance you have heard the word “astigmatism.” ...

Close-up of a scleral contact lens on a human eye, a common treatment for correcting irregular astigmatism

Why Don’t My Scleral Lenses Fix All My Visual Ghosts?

You sit in the exam chair, look at the illuminated chart, and notice shadowy ghosting above the black letters. At ...

A side-by-side comparison showing night vision with and without visual distortions. The left side shows a blurry street scene with intense glare and starbursts radiating from streetlights and oncoming car headlights. The right side shows the same street scene with crisp, clear focus and sharp, controlled lighting.

Why Custom Scleral Lenses Take Extra Time and Precise Fitting

If you have an irregular cornea due to conditions like keratoconus, you may be intimately familiar with Higher-Order Aberrations (HOAs) ...

Wavefront Maps showing a sample comparison of Traditional Scleral Lens and OVITZ-Added Scleral Lens

Wavefront-Guided (HOA-Correcting) Scleral Lens Study Shows Strong Patient Preference and Measurable Optical Gains

A recently published study demonstrates significant benefits of wavefront-guided scleral lenses (wfgSL) in patients’ with irregular corneal astigmatism. This prospective, ...

An image with radiating lines and arcs drawn by a patient to illustrate what they see when looking at a spot of light during an eye HOA examination.

Why can’t I see clearly even with 20/20 vision?

Picture this: you're sitting in the eye doctor’s chair. You just read the 20/20 line perfectly. But you know something ...

Blurry view of a line of streetlights and headlines at dawn.

Correcting Higher-Order Aberrations after LASIK and RK

Refractive surgeries, such as LASIK (Laser-Assisted In Situ Keratomileusis) and Radial Keratotomy (RK), are popular procedures designed to correct common ...