his left eye between 25 →300 cm and in his ri n has astigmatism at his left eye which requires axis 120°. The patient requires magnification write the required prescription for this patient

Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter16: Fiber Optics And Lasers In Bioinstrumentation
Section: Chapter Questions
Problem 6P
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4. 45 year old man can see with his left eye between 25 →300 cm and in his right
eye between 15cm→ ∞. a man has astigmatism at his left eye which requires a
lens of focal length +0.5m at axis 120°. The patient requires magnification
glasses of focal length 0.25m. write the required prescription for this patient
Transcribed Image Text:4. 45 year old man can see with his left eye between 25 →300 cm and in his right eye between 15cm→ ∞. a man has astigmatism at his left eye which requires a lens of focal length +0.5m at axis 120°. The patient requires magnification glasses of focal length 0.25m. write the required prescription for this patient
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