The News Feed

Refraction

SMILE, LASIK Have Similar Efficacy for Astigmatism Correction

However, a recent meta-analysis found that the former showed a greater undercorrection and more residual astigmatism.
November 23, 2022

Axis of Astigmatism Can Be Changed by Mask Wear

It’s possible that rigid facial coverings induce compressive force on the lower eyelid, changing corneal shape, a team speculates.
November 23, 2022

Optical Factors Decrease Myopes’ Vision Regardless of Pathologic Lesions

Astigmatism in particular was found to affect visual acuity.
October 18, 2022

Refractive Errors and Strabismus Top Causes of Headaches in Children

These, along with other more serious ocular conditions, are likely the culprit in about a quarter of cases.
September 23, 2022

Traditional Cycloplegic Refraction Remains Most Precise

Though some non-cycloplegic approaches may be useful in certain patients, the gold standard approach still produces the best results overall.
August 4, 2022

Angle Kappa May Affect Diagnostic Accuracy in Refractive Surgery Patients

Using a best-fit toric ellipse map or performing ancillary testing may help to exclude ectasia in those with larger measurements.
April 13, 2022

SE Difference Less Than 1D Common With Non-Cycloplegic Refraction

Recent finding provides more insight into this young patient demographic.
March 14, 2022

Majority of Glasses Rechecks Due to Poor Quality Refractions

Continuing development and training regarding the basics of prescribing is needed, researchers suggest.
February 17, 2022

New AR Coating Improves Contrast Sensitivity, Aesthetics

Shamir’s latest is intended to raise the bar for visual clarity, the company says.
February 4, 2022

Near Work, Device Use Tied to Rising Strabismus Cases

Specifically, long-duration close activities and late-night screen exposure are proposed to be among the main causes.
February 3, 2022