Wordiyo
RootsVocabularyCoursesGuidesMy WordsPricing
Wordiyo

Build your English vocabulary systematically through roots and etymology.

Explore

  • Roots
  • Vocabulary
  • My Words

Learn

  • Guides
  • Pricing

Company

  • About
  • Terms
  • Privacy

© 2026 Wordiyo.

  1. Home
  2. /opt
  3. /optometrist

optometrist

UK/ɒp'tɒmitrist/US
TOEFLC2

Definitions

n.

A professional who examines eyes, tests vision, and prescribes corrective lenses

验光师,配镜师

Root Breakdown

Root-derived
opto-two sources sharing one spelling: (1) Greek 'see, sight, vision'; (2) Latin 'choose, wish'
+
metrmeasure, meter
+
-istmeasure, meter
=optometrist

opt- (eye/sight) + metr (measure) + -ist (one who) = 'one who measures sight.' An optometrist literally measures how well your eyes see and prescribes lenses to correct it. Distinct from an ophthalmologist (a medical eye doctor).

Root opt still carries 8 more words

Common Collocations

  • 1.visit an optometrist去看验光师
  • 2.see an optometrist找验光师
  • 3.optometrist appointment验光师预约

Example Sentences

  • 1.

    The optometrist said I need glasses for reading.

  • 2.

    Book an appointment with an optometrist for an eye test.

Easily Confused

optometrist vs ophthalmologist — An optometrist tests vision and prescribes glasses or contacts. An ophthalmologist is a medical doctor who can also diagnose eye diseases and perform surgery. Routine eye exam → optometrist; eye disease or surgery → ophthalmologist.

← Back to opt