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Does encouragement boost visual acuity testing results?

Maureen Smith1

  • 1Kettering General Hospital NHS Trust.

Nursing Times
|September 16, 2005
PubMed
Summary
This summary is machine-generated.

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Encouraging patients during vision tests significantly improves their visual acuity scores. This simple intervention enhances patient performance on the Snellen visual acuity chart, suggesting a protocol change for eye clinics.

Area of Science:

  • Ophthalmology
  • Clinical Psychology
  • Healthcare Improvement

Background:

  • Visual acuity testing is a fundamental component of eye examinations.
  • Patient performance can be influenced by psychological factors during testing.
  • Standardized protocols for visual acuity testing may not account for motivational elements.

Purpose of the Study:

  • To test the hypothesis that encouragement enhances visual acuity scores.
  • To evaluate the impact of verbal encouragement on patient performance during Snellen chart testing.

Main Methods:

  • A quasi-experimental, non-equivalent comparison group design was employed.
  • Fifty patients from general eye clinics were randomly selected, with five exclusions.
  • Visual acuity was assessed using the Snellen chart, comparing encouraged vs. non-encouraged groups.

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Main Results:

  • A statistically significant improvement in visual acuity scores was observed in the encouraged group (t = 5.78, df=49, p < 0.001).
  • The results strongly support the hypothesis that encouragement positively impacts visual acuity testing outcomes.
  • Encouragement led to demonstrably better patient scores on the visual acuity test.

Conclusions:

  • Encouragement during visual acuity testing is an effective method to improve patient scores.
  • The findings suggest a need to integrate motivational techniques into standard eye clinic protocols.
  • Recommendations are made to revise current clinical practices to include patient encouragement.