To demonstrate a quick way of calculating the optical difference between two refractions using vector analysis, and to express this as a score for examination purposes. An existing formula is applied, ...

We identified 2027 residents aged 40 years or older in Namil-myeon, a rural town in central South Korea. Of 1928 eligible residents, 1532 subjects (79.5%) participated. Each subject underwent ...

“Referrals to a primary care physician, lab or imaging or to a surgeon for refractive surgery accounted for only 8% of all referrals,” he said. “Overall, referrals for refractive surgery represented ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

IOL calculations are as much art as they are science because of the difficulty in determining the effective lens position after surgery. The effective lens position can vary in eyes that have the same ...

As screen time increases and vision problems become more common at every age, many still misunderstand conditions like myopia ...