Section 4, the final part of this article, is a continuation from the previous blog post,
Orthodox Myopia Research: Blind Alleys and No Cure: Section 3. Optical Poison Transforms Into Optical Elixir
A 2011 article in Scientific American suggested that the war on dietary salt has to end because of the tenuous science of the zealots who had demonized the nutritional substance in the name of heart health. That skirmish pales in comparison to the battles that have raged on for two-hundred-plus years in vision science.
An optometric research paper in 2013 noted that ideas about the cause of myopia have been “trapped in a debate of either/or” — near work stress (environment) or genetics. The opponents claimed to have obtained strong scientific evidence to back their respective arguments. Yet, the findings and conclusions drawn by each side were far from ironclad when other researchers challenged them with their own studies. As the research paper aptly noted, “Nothing ruins a good dogma like data.” In 1921, Bates had similar thoughts when he suggested, “Such dogmatism is both unwise and unscientific… [and] throttles research.”
Not only has the science been tenuous for the warring factions, there has been no science to support the continual use and long term safety of concave glasses, the standard treatment for myopia. The American Vision Institute eye doctors stated, “The truth is that no clinical studies have ever demonstrated the long-term effectiveness of ‘corrective’ lenses. To put it bluntly, the traditional method of prescribing these products is an untested and unproven form of treatment [their emphasis].”
The causal hypothesis for myopia that prevailed among most nineteenth century eye doctors and researchers was a combination of nature and nurture. Very few apparently dug in their heels with an extreme dogmatic stance one way or the other. Most took the middle ground of Ferdinand von Arlt, an Austrian ophthalmologist and professor. He believed “[t]hat short-sight itself cannot be looked upon as hereditary, but only the tendency to short-sight.” Heredity was considered to be simply a pre-disposition and that the demands of the classroom caused nearsightedness to develop.
The Germans were the first to take action to help prevent the development and worsening of myopia in school children, and other countries soon followed suit. Cohn published a book, later translated into English in 1886, recommending numerous specifications for schools to follow with regard to environmental/ergonomic conditions. The hygienic regulations (the term hygiene back then was a much broader definition than simply cleanliness and sanitation) were incredibly detailed and included: adjustable school desks (see Figure 4.1) for good sitting posture and proper eye distance from the desktop; face-rests (see Figure 4.2) to prevent stooping while doing near work; window sizing to ensure an adequate amount of daylight from the sun; degree of illumination and placement of artificial lighting; style and size of handwriting as well as type of pen ink; blackboards, including type of chalk and size/style of writing for teachers; techniques for drawing and other handwork lessons; type of paper and size/style of font in texts; time spent in lessons, and number and length of breaks to prevent overworking the eyes.
After these measures were in place for three years at a couple of schools, the slight reduction in overall myopia rates showed some initial promise. However, once statistics were gathered from more schools, the results were very disappointing. In 1897, Philadelphia ophthalmologist and professor S.D. Risley stated, “But, notwithstanding the introduction of much-needed reform in all these matters, the injurious results of the educational process were not notably arrested… The wide-spread popular impression that near-sight is handed down from parent to child has directed attention to heredity as a probable foundation for the malady.”
That seemed to be the tipping point (Figure 4.3), directing the earlier suspected cause of myopia from a combination of nature and nurture to one solely due to genetics. It appears that most jumped on this new bandwagon, convinced that nothing could be done to prevent the affliction. Is it any coincidence, then, that the American Optometric Association (AOA) was established in 1904 to tap into the market demand for more eye exams and more eyeglasses?
Although the new-held belief put the blame on bad genes for myopia, results from research that was ultimately done to support this idea was weak. The conclusions were far from pointing to heredity as a smoking gun. Decades later, some researchers revisited the notion of near-work being a cause of myopia and supplied impressive data as evidence. But eventually, other researchers refuted these claims with data showing no such correlation. Academic ping pong.
Current research models seemed to have reached an impasse, returning back to the nineteenth century idea of both genetics and environment. A 2013 optometric paper stated, “The more recent view, informed by an explosion of information from research in the last 20 years, has moved toward a melding of these two extremes into a richly detailed combination of both nature and nurture.” Square one yet again.
At the turn of the twentieth century, Bates didn’t buy into either genetics or excessive near work as the cause of myopia. There were too many exceptions in his years of clinical practice that showed neither theory to be a major factor behind nearsightedness. He developed a radical new theory based on myopia being an acquired condition and provided a natural treatment method that didn’t involve eyeglasses. It was truly a beacon of hope for the public afflicted with myopia, who’d been assured before by other eye doctors that the condition was incurable and irreversible.
Into such a slough of despond and contradiction have the misdirected labors of a hundred years led us!
– W.H. Bates, commenting in 1920 about the state of myopia research
Next Blog Post: A new article, “Alternative Myopia Research and Proven Natural Treatment”
 Melinda Wenner Moyer, “It’s Time to End the War on Salt: The Zealous Drive by Politicians to Limit Our Salt Intake Has Little Basis in Science,” The Sciences, Scientific American (8 July 2011), http://www.scientificamerican.com/article/its-time-to-end-the-war-on-salt/.
 Donald Mutti et al., “Myopia—Yesterday, Today, and Tomorrow,” Optom Vis Sci. 90, no.11 (November 2013): 1161.
 William Bates, “Blindness: Its Causes and Cures,” Better Eyesight, March 1921, 9.
 Stephen M. Beresford, David W. Muris, Merrill J. Allen, and Francis A. Young. Improve Your Vision Without Glasses or Contact Lenses, (New York: A Fireside Book, Simon and Schuster, 1996), 101.
 Ferdinand Von Arlt, quoted in S.D. Risley, “School Hygiene,” in System of Diseases of The Eye: Examination of The Eye, School Hygiene, Statistics of Blindness, and Antisepsis, ed. William Norris and Charles Oliver, (London and Philadelphia: J. B. Lippincott, 1897), 2:362.
 Risley, “School Hygiene,” 2:361.
 Optometrists and Ophthalmologists have been in professional rivalry ever since the establishment of the AOA. Refer to my article, “Eye Doctors Don’t See Eye to Eye,” first published in the July-August 2015 issue of New Dawn and reprinted on the Inner Blindness blog post dated October 31, 2016.
 Mutti et al., 1161.
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