Questions: 1. What is the power of accommodation of the eye, when object viewed from 20- 500cm from his eye. 2. A man can see distinctly only object which lie between 25cm-400cm from a can his eye: a) What is the useful power of accommodation of his eyes. b) What spectacles should be prescribed for the man c) What is the minimum distance from his eyes at which he can hold the book. d) Write the required prescription for his eyes. 3. Bifocal lenses are prescribed for a patient, the components having focal length of 40cm & -300cm. • What are the new and far points of the patients eye? 4. 45 year old man can see with his left eye between 25 300 cm and in his right eye between 15cm→ o. a man has astigmatism at his left eye which requires a lens of focal length + 0.5m at axis 1200. The patient requires magnification glasses of focal length 0.25m. write the required prescription for this patient

Questions: 1. What is the power of accommodation of the eye, when object viewed from 20- 500cm from his eye. 2. A man can see distinctly only object which lie between 25cm-400cm from a can his eye: a) What is the useful power of accommodation of his eyes. b) What spectacles should be prescribed for the man c) What is the minimum distance from his eyes at which he can hold the book. d) Write the required prescription for his eyes. 3. Bifocal lenses are prescribed for a patient, the components having focal length of 40cm & -300cm. • What are the new and far points of the patients eye? 4. 45 year old man can see with his left eye between 25 300 cm and in his right eye between 15cm→ o. a man has astigmatism at his left eye which requires a lens of focal length + 0.5m at axis 1200. The patient requires magnification glasses of focal length 0.25m. write the required prescription for this patient

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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