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Related Concept Videos

Focusing of Light in the Eye01:16

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Updated: Jun 4, 2026

Measuring the Behavioral Effects of Intraocular Scatter
05:10

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Published on: February 18, 2021

Effect of High-Energy Visible Light-Filtering Spectacle Lenses on Distance Contrast Sensitivity.

Nishanee Rampersad1, Rekha Hansraj1

  • 1Discipline of Optometry, School of Health Sciences, University of Kwazulu-Natal, Durban, South Africa.

Clinical Optometry
|June 3, 2026
PubMed
Summary
This summary is machine-generated.

High-energy visible (HEV) light-filtering spectacle lenses do not impact distance contrast sensitivity in young adults. This study found no significant difference in contrast sensitivity with or without HEV lenses in various lighting conditions.

Keywords:
contrast sensitivityhigh-energy visible lighthigh-energy visible light–filtering spectacle lensesspectacle lensesvisual performance

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Last Updated: Jun 4, 2026

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Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Background:

  • High-energy visible (HEV) light-filtering spectacle lenses are increasingly popular.
  • There is ongoing debate regarding their potential ocular benefits.
  • This study investigates the effect of these lenses on contrast sensitivity.

Purpose of the Study:

  • To evaluate the impact of HEV light-filtering spectacle lenses on distance contrast sensitivity (CS).
  • To compare CS measurements using different HEV lenses and a control lens.

Main Methods:

  • Thirty healthy young adults (18-35 years) participated.
  • Binocular contrast sensitivity was measured using the Pelli-Robson test.
  • Measurements were taken under photopic and mesopic illumination with four types of spectacle lenses.

Main Results:

  • No significant difference in CS was observed among the four lenses in either photopic or mesopic conditions.
  • CS was significantly higher in photopic compared to mesopic illumination for all lenses.
  • The effect of HEV lenses on CS was not clinically meaningful.

Conclusions:

  • HEV light-filtering spectacle lenses do not clinically affect distance contrast sensitivity in young adults.
  • These findings can assist eye care professionals in advising patients on HEV lens prescriptions.