Measure Your Ability to See

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In this exercise (Activity #2 on page), learners test their distance vision to evaluate their overall eyesight. Learners attempt to read the letters on a Snellen Eye Chart from 20 feet away, while covering one eye at a time. Learners consider what the results of this test say about their eyesight and how glasses improve vision. Note: This exercise is not meant to accurately measure learners' vision, and is not a substitute for professional vision analysis.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
free per group of students
Age Range:
Ages 8 - 18
Resource Types:
Activity, Lesson/Lesson Plan
Language:
English

Materials List (per group of students)

Keywords

Subjects

  • Life Sciences
    • Human Body
      • The Brain and Nervous System
    • Human Senses and Perception
      • Vision
      • Perception
  • Physical Sciences
    • Vibration and Waves
      • Light and Optics
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Formulating Explanations

Audience

To use this activity, learners need to:

  • see
  • read
  • be mobile
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

  • Szaflarski, Ph.D., Diane M.

Rights: