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Accessory Structures of the Eye01:17

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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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Related Experiment Video

Updated: Oct 20, 2025

Author Spotlight: Exploring Press Needle Efficacy and Underlying Molecular Pathways
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The Relationship Between Dry Eye Disease and Digital Screen Use.

Zaina Al-Mohtaseb1, Scott Schachter2, Bridgitte Shen Lee3

  • 1Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA.

Clinical Ophthalmology (Auckland, N.Z.)
|September 17, 2021
PubMed
Summary

Digital screen use, including smartphones, is linked to increased dry eye disease risk due to altered blinking. Prevention and management strategies are available for digital screen users experiencing dry eye symptoms.

Keywords:
blinkingcomputerocular surfacequality of lifesmartphonevisual display

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Area of Science:

  • Ophthalmology
  • Digital Health
  • Public Health

Background:

  • Dry eye disease involves tear film instability, potentially causing ocular surface damage, pain, and vision issues.
  • Increased digital screen use, particularly during pandemics, is a suspected contributor to dry eye disease.
  • Existing research links prolonged digital screen use to a higher risk of dry eye symptoms and diagnosis in adults and children.

Purpose of the Study:

  • To review evidence associating digital screen use with dry eye disease.
  • To explore the impact of digital device use on blinking patterns.
  • To examine the effects of dry eye disease on mental health and productivity in digital screen users.

Main Methods:

  • Literature review of cross-sectional studies and existing research.
  • Analysis of the relationship between digital screen duration and dry eye prevalence.
  • Examination of the proposed mechanism involving altered blinking dynamics.

Main Results:

  • Digital screen use duration is associated with increased risk and severity of dry eye disease.
  • Digital device usage alters normal blinking patterns, contributing to ocular dryness.
  • Dry eye disease negatively impacts mental well-being and work productivity.

Conclusions:

  • Digital screen use is a significant factor in the development and exacerbation of dry eye disease.
  • Understanding the link between screen time and blinking is crucial for dry eye management.
  • Effective strategies exist to prevent and manage dry eye disease in individuals using digital screens.