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Human Visual Analysis Of Electronic Data On A Liquid Crystal Display Monitor

Introduction Of Sepia Tones To The Current View Options In Medical Imaging

It has been established that the human eye sees color best but it is influenced by many factors. Issues such as chromatic aberration of the eye certainly impact on human perception as does brightness fatigue from the high-energy end of the spectrum…blue and ultraviolet light. Also blue light is inherently scattered more and because of chromatic aberration focuses in front of the retina creating a “blue defocus often estimated at the Snellen equivalent of 20/40”. The following from http://www.telescope-optics.net/eye_chromatism.htm illustrates both the proposed longitudinal and lateral eye chromatism.

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Friday, 20 November 2015 Written by Larry J Alexander OD FAAO Posted in Books

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About the Author(s)

Larry J Alexander OD FAAO

Larry J Alexander OD FAAO

Dr. Alexander (1948-2016) was a 1971 graduate of Indiana University School of Optometry. He served in the US Navy then served as a Professor at the University of Alabama Birmingham School of Optometry. Larry contributed to a number of chapters in textbooks and has published three editions of Primary Care of the Posterior Segment, as well as contributed to the professional literature. He also lectured extensively in the area of ocular and systemic disease. His areas of special interest included dysfunctional tear syndrome, glaucoma and macular degeneration.  His lessons are the basis for this site and he will be dearly missed. 

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