In the 19th century myopia was very rare condition and described in the books of that time as strictly connected with the urban population and highly educated people. Many authors stated that myopia was not present in rural places and amongst “savages”.
With the introduction of the compulsory schooling and spreading literacy myopia rapidly progressed and scientist of that time developed the first theories about the causes of this trend.
In the era of digitalization myopia has progressed so much that in some countries such as South Korea reached 98% of young adults and in all developed countries of Asia over 80% has myopia.
Dramatic progression of myopia in Asian countries is shown in the next graphics (Source: Ian Morgan, Australian Natl Univ).
There are two causes of such effect:
- close work which is progresivelly more demending and in the era of digitalization almost everybody is affected regardless of the level of education.
- general widespread mistreatment by eye care professionals by not detecting and treating initial stage of pseudomyopia (false nearsightedness) with plus glasses in order to relieve accommodative strain but easily prescribing minus glasses and producing real axial myopia and in most cases overcorrecting myopia.