A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D in order to be able to clearly see objects 20 cm in front of them. (a) What kind of vision defect does this person have? (b) What is this person’s near point (without the contact lenses)?

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter2: Geometric Optics And Image Formation
Section: Chapter Questions
Problem 73P: The power for normal close vision is 54.0 D. In a vision-correction procedure, the power of a...
icon
Related questions
icon
Concept explainers
Question

A person with a normal lens-to-retina distance wears contact lenses with an optical power of 1.54 D in
order to be able to clearly see objects 20 cm in front of them. (a) What kind of vision defect does this person
have? (b) What is this person’s near point (without the contact lenses)?

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Lens
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
University Physics Volume 3
University Physics Volume 3
Physics
ISBN:
9781938168185
Author:
William Moebs, Jeff Sanny
Publisher:
OpenStax
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Physics for Scientists and Engineers: Foundations…
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning
Glencoe Physics: Principles and Problems, Student…
Glencoe Physics: Principles and Problems, Student…
Physics
ISBN:
9780078807213
Author:
Paul W. Zitzewitz
Publisher:
Glencoe/McGraw-Hill